18982915288 has 16 divisors (see below), whose sum is σ = 35658765360. Its totient is φ = 9473911200.

The previous prime is 18982915277. The next prime is 18982915291. The reversal of 18982915288 is 88251928981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188708 + ... + 2197363.

It is an arithmetic number, because the mean of its divisors is an integer number (2228672835).

Almost surely, 2^18982915288 is an apocalyptic number.

It is an amenable number.

18982915288 is a deficient number, since it is larger than the sum of its proper divisors (16675850072).

18982915288 is a wasteful number, since it uses less digits than its factorization.

18982915288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386618 (or 4386614 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 61.

The spelling of 18982915288 in words is "eighteen billion, nine hundred eighty-two million, nine hundred fifteen thousand, two hundred eighty-eight".