13961298765 has 16 divisors (see below), whose sum is σ = 22341686400. Its totient is φ = 7444823232.

The previous prime is 13961298751. The next prime is 13961298829. The reversal of 13961298765 is 56789216931.

It is not a de Polignac number, because 13961298765 - 2⁴ = 13961298749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25096 + ... + 168974.

It is an arithmetic number, because the mean of its divisors is an integer number (1396355400).

Almost surely, 2^13961298765 is an apocalyptic number.

13961298765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13961298765 is a deficient number, since it is larger than the sum of its proper divisors (8380387635).

13961298765 is a wasteful number, since it uses less digits than its factorization.

13961298765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150356.

The product of its digits is 4898880, while the sum is 57.

The spelling of 13961298765 in words is "thirteen billion, nine hundred sixty-one million, two hundred ninety-eight thousand, seven hundred sixty-five".