13872055642 has 16 divisors (see below), whose sum is σ = 21717912960. Its totient is φ = 6632893872.

The previous prime is 13872055513. The next prime is 13872055657. The reversal of 13872055642 is 24655027831.

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 7 ways as a sum of consecutive naturals, for example, 174508 + ... + 241240.

It is an arithmetic number, because the mean of its divisors is an integer number (1357369560).

Almost surely, 2^13872055642 is an apocalyptic number.

13872055642 is a deficient number, since it is larger than the sum of its proper divisors (7845857318).

13872055642 is a wasteful number, since it uses less digits than its factorization.

13872055642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71277.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 13872055642 in words is "thirteen billion, eight hundred seventy-two million, fifty-five thousand, six hundred forty-two".