318718538812 has 6 divisors (see below), whose sum is σ = 557757442928. Its totient is φ = 159359269404.

The previous prime is 318718538717. The next prime is 318718538833. The reversal of 318718538812 is 218835817813.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 39839817348 + ... + 39839817355.

Almost surely, 2^318718538812 is an apocalyptic number.

It is an amenable number.

318718538812 is a deficient number, since it is larger than the sum of its proper divisors (239038904116).

318718538812 is a wasteful number, since it uses less digits than its factorization.

318718538812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79679634707 (or 79679634705 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 55.

The spelling of 318718538812 in words is "three hundred eighteen billion, seven hundred eighteen million, five hundred thirty-eight thousand, eight hundred twelve".