Yeah i would love it and consider it a fantastic opertunity, but lots of planning would be needed. I have read a few books with this or something similiar as a premise. Fake a few ids and build up your wealth. I would probably just live a normal life and make as much money as possible until people start to notice that i am not aging, i would probably hit about 60 before it becomes weird, with makeup and stuff i might make it to 70, then i would transfer my money out, move to a new country with a fake id and start again.
Eventually i would build up enough wealth, safe houses in every country, after a few hundred years i should have connections with many powerful people and a lot of money. Now i start influencing events, convert a lot of those safehouses into small hidden barracks with a small armed force of fanatics or just mercenaries in each one. Now i hopefully wont have to worry about inprisonment because i can just get my army in that area to break me out.
Throw some money around, become friends with everyone in power and start pushing for space travel and environmentally sustainable practises. Also some evil stuff, cut down the population, birthing control, a few orchetrated wars and the 1 billion rule, that the global population can never go above 1 billion.
Yeah ive thought about this way too much, obviously the first hundred years or so are the hardest part as you try and build up wealth and influence as well as not arouse suspicion about your powers. once you have enough money and power being detected shouldnt be a problem, just kill whoever knows and bribe whoever suspects. easy.