318673722873 has 16 divisors (see below), whose sum is σ = 474305078016. Its totient is φ = 188644063440.

The previous prime is 318673722859. The next prime is 318673722889. The reversal of 318673722873 is 378227376813.

It is not a de Polignac number, because 318673722873 - 2²⁶ = 318606614009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318673772873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112286715 + ... + 112289552.

It is an arithmetic number, because the mean of its divisors is an integer number (29644067376).

Almost surely, 2^318673722873 is an apocalyptic number.

318673722873 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

318673722873 is a deficient number, since it is larger than the sum of its proper divisors (155631355143).

318673722873 is a wasteful number, since it uses less digits than its factorization.

318673722873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224576324.

The product of its digits is 14224896, while the sum is 57.

The spelling of 318673722873 in words is "three hundred eighteen billion, six hundred seventy-three million, seven hundred twenty-two thousand, eight hundred seventy-three".