518693912 has 16 divisors (see below), whose sum is σ = 1060965000. Its totient is φ = 235769920.

The previous prime is 518693893. The next prime is 518693947. The reversal of 518693912 is 219396815.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947037 + ... + 2947212.

Almost surely, 2^518693912 is an apocalyptic number.

It is an amenable number.

518693912 is an abundant number, since it is smaller than the sum of its proper divisors (542271088).

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

518693912 is a wasteful number, since it uses less digits than its factorization.

518693912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894266 (or 5894262 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 518693912 is about 22774.8526230138. The cubic root of 518693912 is about 803.4713280654.

The spelling of 518693912 in words is "five hundred eighteen million, six hundred ninety-three thousand, nine hundred twelve".