18479274984 has 64 divisors (see below), whose sum is σ = 52583328000. Its totient is φ = 6009517440.

The previous prime is 18479274973. The next prime is 18479275063. The reversal of 18479274984 is 48947297481.

18479274984 is a `hidden beast` number, since 1 + 8 + 479 + 2 + 74 + 98 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034464 + ... + 1052175.

It is an arithmetic number, because the mean of its divisors is an integer number (821614500).

Almost surely, 2^18479274984 is an apocalyptic number.

It is an amenable number.

18479274984 is an abundant number, since it is smaller than the sum of its proper divisors (34104053016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18479274984 is a wasteful number, since it uses less digits than its factorization.

18479274984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086695 (or 2086685 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 18479274984 in words is "eighteen billion, four hundred seventy-nine million, two hundred seventy-four thousand, nine hundred eighty-four".