518931079492 has 12 divisors (see below), whose sum is σ = 1037862159040. Its totient is φ = 222399034056.

The previous prime is 518931079487. The next prime is 518931079493. The reversal of 518931079492 is 294970139815.

518931079492 is an admirable number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (518931079493) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9266626392 + ... + 9266626447.

Almost surely, 2^518931079492 is an apocalyptic number.

It is an amenable number.

518931079492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

518931079492 is a wasteful number, since it uses less digits than its factorization.

518931079492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18533252850 (or 18533252848 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 518931079492 in words is "five hundred eighteen billion, nine hundred thirty-one million, seventy-nine thousand, four hundred ninety-two".