13872818554 has 48 divisors (see below), whose sum is σ = 24919180200. Its totient is φ = 5771243520.

The previous prime is 13872818549. The next prime is 13872818573. The reversal of 13872818554 is 45581827831.

It can be written as a sum of positive squares in 4 ways, for example, as 13683618529 + 189200025 = 116977^2 + 13755^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 1623814 + ... + 1632334.

Almost surely, 2^13872818554 is an apocalyptic number.

13872818554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13872818554 is a deficient number, since it is larger than the sum of its proper divisors (11046361646).

13872818554 is a wasteful number, since it uses less digits than its factorization.

13872818554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023 (or 9016 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 52.

The spelling of 13872818554 in words is "thirteen billion, eight hundred seventy-two million, eight hundred eighteen thousand, five hundred fifty-four".