18914804324 has 24 divisors (see below), whose sum is σ = 35679557760. Its totient is φ = 8721968544.

The previous prime is 18914804291. The next prime is 18914804327. The reversal of 18914804324 is 42340841981.

It is not an unprimeable number, because it can be changed into a prime (18914804327) 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, 107534 + ... + 222245.

It is an arithmetic number, because the mean of its divisors is an integer number (1486648240).

Almost surely, 2^18914804324 is an apocalyptic number.

It is an amenable number.

18914804324 is a deficient number, since it is larger than the sum of its proper divisors (16764753436).

18914804324 is a wasteful number, since it uses less digits than its factorization.

18914804324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330899 (or 330897 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 18914804324 in words is "eighteen billion, nine hundred fourteen million, eight hundred four thousand, three hundred twenty-four".