18899246884 has 36 divisors (see below), whose sum is σ = 38539244016. Its totient is φ = 8085829584.

The previous prime is 18899246869. The next prime is 18899246903. The reversal of 18899246884 is 48864299881.

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 11 ways as a sum of consecutive naturals, for example, 32919 + ... + 197185.

It is an arithmetic number, because the mean of its divisors is an integer number (1070534556).

Almost surely, 2^18899246884 is an apocalyptic number.

18899246884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18899246884 is an abundant number, since it is smaller than the sum of its proper divisors (19639997132).

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

18899246884 is a wasteful number, since it uses less digits than its factorization.

18899246884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164872 (or 164863 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 67.

The spelling of 18899246884 in words is "eighteen billion, eight hundred ninety-nine million, two hundred forty-six thousand, eight hundred eighty-four".