513604130656 has 48 divisors (see below), whose sum is σ = 1071538554240. Its totient is φ = 241899320320.

The previous prime is 513604130629. The next prime is 513604130693. The reversal of 513604130656 is 656031406315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6711376 + ... + 6787471.

It is an arithmetic number, because the mean of its divisors is an integer number (22323719880).

Almost surely, 2^513604130656 is an apocalyptic number.

It is an amenable number.

513604130656 is an abundant number, since it is smaller than the sum of its proper divisors (557934423584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513604130656 is a wasteful number, since it uses less digits than its factorization.

513604130656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13498927 (or 13498919 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 513604130656 in words is "five hundred thirteen billion, six hundred four million, one hundred thirty thousand, six hundred fifty-six".