13879214291 has 4 divisors (see below), whose sum is σ = 13921145784. Its totient is φ = 13837282800.

The previous prime is 13879214287. The next prime is 13879214299. The reversal of 13879214291 is 19241297831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13879214291 - 2² = 13879214287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13879214299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20965250 + ... + 20965911.

It is an arithmetic number, because the mean of its divisors is an integer number (3480286446).

Almost surely, 2^13879214291 is an apocalyptic number.

13879214291 is a deficient number, since it is larger than the sum of its proper divisors (41931493).

13879214291 is an equidigital number, since it uses as much as digits as its factorization.

13879214291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41931492.

The product of its digits is 217728, while the sum is 47.

The spelling of 13879214291 in words is "thirteen billion, eight hundred seventy-nine million, two hundred fourteen thousand, two hundred ninety-one".