509304892322 has 6 divisors (see below), whose sum is σ = 763958852379. Its totient is φ = 254651941530.

The previous prime is 509304892297. The next prime is 509304892337. The reversal of 509304892322 is 223298403905.

It can be written as a sum of positive squares in only one way, i.e., 254652446161 + 254652446161 = 504631^2 + 504631^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=504631.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 756947 + ... + 1261577.

Almost surely, 2^509304892322 is an apocalyptic number.

509304892322 is a deficient number, since it is larger than the sum of its proper divisors (254653960057).

509304892322 is an frugal number, since it uses more digits than its factorization.

509304892322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009264 (or 504633 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 509304892322 in words is "five hundred nine billion, three hundred four million, eight hundred ninety-two thousand, three hundred twenty-two".