18854174344 has 16 divisors (see below), whose sum is σ = 35421865920. Its totient is φ = 9408343440.

The previous prime is 18854174263. The next prime is 18854174369. The reversal of 18854174344 is 44347145881.

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, 2338692 + ... + 2346739.

It is an arithmetic number, because the mean of its divisors is an integer number (2213866620).

Almost surely, 2^18854174344 is an apocalyptic number.

It is an amenable number.

18854174344 is a deficient number, since it is larger than the sum of its proper divisors (16567691576).

18854174344 is a wasteful number, since it uses less digits than its factorization.

18854174344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685940 (or 4685936 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The spelling of 18854174344 in words is "eighteen billion, eight hundred fifty-four million, one hundred seventy-four thousand, three hundred forty-four".