318744428865 has 8 divisors (see below), whose sum is σ = 509991086208. Its totient is φ = 169997028720.

The previous prime is 318744428857. The next prime is 318744428911. The reversal of 318744428865 is 568824447813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 318744428865 - 2³ = 318744428857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318744428799 and 318744428808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10624814281 + ... + 10624814310.

It is an arithmetic number, because the mean of its divisors is an integer number (63748885776).

Almost surely, 2^318744428865 is an apocalyptic number.

It is an amenable number.

318744428865 is a deficient number, since it is larger than the sum of its proper divisors (191246657343).

318744428865 is a wasteful number, since it uses less digits than its factorization.

318744428865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21249628599.

The product of its digits is 41287680, while the sum is 60.

The spelling of 318744428865 in words is "three hundred eighteen billion, seven hundred forty-four million, four hundred twenty-eight thousand, eight hundred sixty-five".