318970648857 has 8 divisors (see below), whose sum is σ = 486050512576. Its totient is φ = 182268942192.

The previous prime is 318970648849. The next prime is 318970648859. The reversal of 318970648857 is 758846079813.

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

It is not a de Polignac number, because 318970648857 - 2³ = 318970648849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318970648859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7594539238 + ... + 7594539279.

It is an arithmetic number, because the mean of its divisors is an integer number (60756314072).

Almost surely, 2^318970648857 is an apocalyptic number.

It is an amenable number.

318970648857 is a deficient number, since it is larger than the sum of its proper divisors (167079863719).

318970648857 is a wasteful number, since it uses less digits than its factorization.

318970648857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15189078527.

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 318970648857 in words is "three hundred eighteen billion, nine hundred seventy million, six hundred forty-eight thousand, eight hundred fifty-seven".