513323164635 has 64 divisors (see below), whose sum is σ = 878173470720. Its totient is φ = 255304759680.

The previous prime is 513323164631. The next prime is 513323164643. The reversal of 513323164635 is 536461323315.

It is not a de Polignac number, because 513323164635 - 2² = 513323164631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513323164631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4849930 + ... + 4954640.

It is an arithmetic number, because the mean of its divisors is an integer number (13721460480).

Almost surely, 2^513323164635 is an apocalyptic number.

513323164635 is a deficient number, since it is larger than the sum of its proper divisors (364850306085).

513323164635 is a wasteful number, since it uses less digits than its factorization.

513323164635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105008.

The product of its digits is 583200, while the sum is 42.

The spelling of 513323164635 in words is "five hundred thirteen billion, three hundred twenty-three million, one hundred sixty-four thousand, six hundred thirty-five".