518691364 has 12 divisors (see below), whose sum is σ = 910988764. Its totient is φ = 258408864.

The previous prime is 518691307. The next prime is 518691367. The reversal of 518691364 is 463196815.

It can be written as a sum of positive squares in 2 ways, for example, as 41705764 + 476985600 = 6458^2 + 21840^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 518691364.

It is not an unprimeable number, because it can be changed into a prime (518691367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232959 + ... + 235174.

Almost surely, 2^518691364 is an apocalyptic number.

It is an amenable number.

518691364 is a deficient number, since it is larger than the sum of its proper divisors (392297400).

518691364 is a wasteful number, since it uses less digits than its factorization.

518691364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468414 (or 468412 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 518691364 is about 22774.7966840541. The cubic root of 518691364 is about 803.4700124223.

The spelling of 518691364 in words is "five hundred eighteen million, six hundred ninety-one thousand, three hundred sixty-four".