13963468165 has 4 divisors (see below), whose sum is σ = 16756161804. Its totient is φ = 11170774528.

The previous prime is 13963468159. The next prime is 13963468213. The reversal of 13963468165 is 56186436931.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10051466049 + 3912002116 = 100257^2 + 62546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13963468165 is a prime.

It is a Duffinian number.

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, 1396346812 + ... + 1396346821.

It is an arithmetic number, because the mean of its divisors is an integer number (4189040451).

Almost surely, 2^13963468165 is an apocalyptic number.

It is an amenable number.

13963468165 is a deficient number, since it is larger than the sum of its proper divisors (2792693639).

13963468165 is an equidigital number, since it uses as much as digits as its factorization.

13963468165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792693638.

The product of its digits is 2799360, while the sum is 52.

The spelling of 13963468165 in words is "thirteen billion, nine hundred sixty-three million, four hundred sixty-eight thousand, one hundred sixty-five".