13919674655 has 4 divisors (see below), whose sum is σ = 16703609592. Its totient is φ = 11135739720.

The previous prime is 13919674597. The next prime is 13919674667. The reversal of 13919674655 is 55647691931.

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

It is not a de Polignac number, because 13919674655 - 2⁸ = 13919674399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13919674655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391967461 + ... + 1391967470.

It is an arithmetic number, because the mean of its divisors is an integer number (4175902398).

Almost surely, 2^13919674655 is an apocalyptic number.

13919674655 is a deficient number, since it is larger than the sum of its proper divisors (2783934937).

13919674655 is an equidigital number, since it uses as much as digits as its factorization.

13919674655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783934936.

The product of its digits is 6123600, while the sum is 56.

The spelling of 13919674655 in words is "thirteen billion, nine hundred nineteen million, six hundred seventy-four thousand, six hundred fifty-five".