13917402279 has 12 divisors (see below), whose sum is σ = 21930452232. Its totient is φ = 8434789200.

The previous prime is 13917402263. The next prime is 13917402287. The reversal of 13917402279 is 97220471931.

It is not a de Polignac number, because 13917402279 - 2⁴ = 13917402263 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13917407279) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 70289812 + ... + 70290009.

It is an arithmetic number, because the mean of its divisors is an integer number (1827537686).

Almost surely, 2^13917402279 is an apocalyptic number.

13917402279 is a deficient number, since it is larger than the sum of its proper divisors (8013049953).

13917402279 is a wasteful number, since it uses less digits than its factorization.

13917402279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140579838 (or 140579835 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 13917402279 in words is "thirteen billion, nine hundred seventeen million, four hundred two thousand, two hundred seventy-nine".