If you have Atom Eve’s powers, you can steadily solve world hunger and poverty, however, if you ever get caught (or if you ever could be caught), you’re going to be tortured into do whatever bidding your captures want. Practically speaking, being a Viltrumite, you’ll probably just be coerced into fighting wars for whatever government you live under, otherwise you’re limited to just being able to fly around and being super strong and virtually immortal, not a ton of uses other than having fun and protecting yourself.