18829818984 has 32 divisors (see below), whose sum is σ = 47106900000. Its totient is φ = 6272292672.

The previous prime is 18829818979. The next prime is 18829818991. The reversal of 18829818984 is 48981892881.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233859 + ... + 303890.

It is an arithmetic number, because the mean of its divisors is an integer number (1472090625).

Almost surely, 2^18829818984 is an apocalyptic number.

It is an amenable number.

18829818984 is an abundant number, since it is smaller than the sum of its proper divisors (28277081016).

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

18829818984 is a wasteful number, since it uses less digits than its factorization.

18829818984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539217 (or 539213 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 66.

The spelling of 18829818984 in words is "eighteen billion, eight hundred twenty-nine million, eight hundred eighteen thousand, nine hundred eighty-four".