513912368913 has 16 divisors (see below), whose sum is σ = 696510230016. Its totient is φ = 336962355840.

The previous prime is 513912368891. The next prime is 513912368941. The reversal of 513912368913 is 319863219315.

It is not a de Polignac number, because 513912368913 - 2⁹ = 513912368401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513912368113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2093056 + ... + 2325662.

It is an arithmetic number, because the mean of its divisors is an integer number (43531889376).

Almost surely, 2^513912368913 is an apocalyptic number.

It is an amenable number.

513912368913 is a deficient number, since it is larger than the sum of its proper divisors (182597861103).

513912368913 is a wasteful number, since it uses less digits than its factorization.

513912368913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244744.

The product of its digits is 1049760, while the sum is 51.

The spelling of 513912368913 in words is "five hundred thirteen billion, nine hundred twelve million, three hundred sixty-eight thousand, nine hundred thirteen".