18286972484 has 36 divisors (see below), whose sum is σ = 37027359600. Its totient is φ = 7874768880.

The previous prime is 18286972469. The next prime is 18286972493. The reversal of 18286972484 is 48427968281.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985094 + ... + 1003485.

Almost surely, 2^18286972484 is an apocalyptic number.

It is an amenable number.

18286972484 is an abundant number, since it is smaller than the sum of its proper divisors (18740387116).

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

18286972484 is a wasteful number, since it uses less digits than its factorization.

18286972484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988624 (or 1988611 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 59.

The spelling of 18286972484 in words is "eighteen billion, two hundred eighty-six million, nine hundred seventy-two thousand, four hundred eighty-four".