13976590321 has 4 divisors (see below), whose sum is σ = 13981748544. Its totient is φ = 13971432100.

The previous prime is 13976590289. The next prime is 13976590337. The reversal of 13976590321 is 12309567931.

13976590321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12309567931 = 1697 ⋅7253723.

It is a cyclic number.

It is not a de Polignac number, because 13976590321 - 2⁵ = 13976590289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13976590721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575045 + ... + 2580466.

It is an arithmetic number, because the mean of its divisors is an integer number (3495437136).

Almost surely, 2^13976590321 is an apocalyptic number.

It is an amenable number.

13976590321 is a deficient number, since it is larger than the sum of its proper divisors (5158223).

13976590321 is an equidigital number, since it uses as much as digits as its factorization.

13976590321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158222.

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 13976590321 in words is "thirteen billion, nine hundred seventy-six million, five hundred ninety thousand, three hundred twenty-one".