513302574664 has 64 divisors (see below), whose sum is σ = 1058295401280. Its totient is φ = 231469056000.

The previous prime is 513302574647. The next prime is 513302574779. The reversal of 513302574664 is 466475203315.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5767624 + ... + 5855944.

It is an arithmetic number, because the mean of its divisors is an integer number (16535865645).

Almost surely, 2^513302574664 is an apocalyptic number.

It is an amenable number.

513302574664 is an abundant number, since it is smaller than the sum of its proper divisors (544992826616).

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

513302574664 is a wasteful number, since it uses less digits than its factorization.

513302574664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88862 (or 88858 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

Adding to 513302574664 its reverse (466475203315), we get a palindrome (979777777979).

The spelling of 513302574664 in words is "five hundred thirteen billion, three hundred two million, five hundred seventy-four thousand, six hundred sixty-four".