18969024648 has 48 divisors (see below), whose sum is σ = 55165024080. Its totient is φ = 5419720992.

The previous prime is 18969024629. The next prime is 18969024653. The reversal of 18969024648 is 84642096981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8063886 + ... + 8066237.

It is an arithmetic number, because the mean of its divisors is an integer number (1149271335).

Almost surely, 2^18969024648 is an apocalyptic number.

It is an amenable number.

18969024648 is an abundant number, since it is smaller than the sum of its proper divisors (36195999432).

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

18969024648 is a wasteful number, since it uses less digits than its factorization.

18969024648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16130146 (or 16130135 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 18969024648 in words is "eighteen billion, nine hundred sixty-nine million, twenty-four thousand, six hundred forty-eight".