13876326321 has 16 divisors (see below), whose sum is σ = 21736344000. Its totient is φ = 7762979520.

The previous prime is 13876326307. The next prime is 13876326337. The reversal of 13876326321 is 12362367831.

It is not a de Polignac number, because 13876326321 - 2⁷ = 13876326193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13876326371) 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, 16172446 + ... + 16173303.

It is an arithmetic number, because the mean of its divisors is an integer number (1358521500).

Almost surely, 2^13876326321 is an apocalyptic number.

13876326321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13876326321 is a deficient number, since it is larger than the sum of its proper divisors (7860017679).

13876326321 is a wasteful number, since it uses less digits than its factorization.

13876326321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32345776.

The product of its digits is 217728, while the sum is 42.

The spelling of 13876326321 in words is "thirteen billion, eight hundred seventy-six million, three hundred twenty-six thousand, three hundred twenty-one".