13891710455 has 12 divisors (see below), whose sum is σ = 19391694120. Its totient is φ = 9525744144.

The previous prime is 13891710451. The next prime is 13891710479. The reversal of 13891710455 is 55401719831.

It is not a de Polignac number, because 13891710455 - 2² = 13891710451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13891710451) 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, 28350185 + ... + 28350674.

It is an arithmetic number, because the mean of its divisors is an integer number (1615974510).

Almost surely, 2^13891710455 is an apocalyptic number.

13891710455 is a deficient number, since it is larger than the sum of its proper divisors (5499983665).

13891710455 is an equidigital number, since it uses as much as digits as its factorization.

13891710455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56700878 (or 56700871 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 13891710455 in words is "thirteen billion, eight hundred ninety-one million, seven hundred ten thousand, four hundred fifty-five".