13695756523 has 4 divisors (see below), whose sum is σ = 13700391120. Its totient is φ = 13691121928.

The previous prime is 13695756493. The next prime is 13695756527. The reversal of 13695756523 is 32565759631.

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 13695756523 - 2²⁵ = 13662202091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13695756527) 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, 2312863 + ... + 2318776.

It is an arithmetic number, because the mean of its divisors is an integer number (3425097780).

Almost surely, 2^13695756523 is an apocalyptic number.

13695756523 is a deficient number, since it is larger than the sum of its proper divisors (4634597).

13695756523 is an equidigital number, since it uses as much as digits as its factorization.

13695756523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634596.

The product of its digits is 5103000, while the sum is 52.

The spelling of 13695756523 in words is "thirteen billion, six hundred ninety-five million, seven hundred fifty-six thousand, five hundred twenty-three".