13695609623 has 2 divisors, whose sum is σ = 13695609624. Its totient is φ = 13695609622.

The previous prime is 13695609563. The next prime is 13695609689. The reversal of 13695609623 is 32690659631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13695609623 - 2¹⁰ = 13695608599 is a prime.

It is a super-2 number, since 2×13695609623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13695609523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847804811 + 6847804812.

It is an arithmetic number, because the mean of its divisors is an integer number (6847804812).

Almost surely, 2^13695609623 is an apocalyptic number.

13695609623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13695609623 is an equidigital number, since it uses as much as digits as its factorization.

13695609623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 13695609623 in words is "thirteen billion, six hundred ninety-five million, six hundred nine thousand, six hundred twenty-three".