13876155921 has 16 divisors (see below), whose sum is σ = 19407052800. Its totient is φ = 8802227280.

The previous prime is 13876155919. The next prime is 13876155941. The reversal of 13876155921 is 12955167831.

It is not a de Polignac number, because 13876155921 - 2¹ = 13876155919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13876155901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513271 + ... + 539628.

It is an arithmetic number, because the mean of its divisors is an integer number (1212940800).

Almost surely, 2^13876155921 is an apocalyptic number.

It is an amenable number.

13876155921 is a deficient number, since it is larger than the sum of its proper divisors (5530896879).

13876155921 is a wasteful number, since it uses less digits than its factorization.

13876155921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053116.

The product of its digits is 453600, while the sum is 48.

The spelling of 13876155921 in words is "thirteen billion, eight hundred seventy-six million, one hundred fifty-five thousand, nine hundred twenty-one".