13915697707 has 4 divisors (see below), whose sum is σ = 13996135440. Its totient is φ = 13835259976.

The previous prime is 13915697573. The next prime is 13915697723. The reversal of 13915697707 is 70779651931.

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 13915697707 - 2²⁷ = 13781479979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13915697737) 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, 40218607 + ... + 40218952.

It is an arithmetic number, because the mean of its divisors is an integer number (3499033860).

Almost surely, 2^13915697707 is an apocalyptic number.

13915697707 is a deficient number, since it is larger than the sum of its proper divisors (80437733).

13915697707 is an equidigital number, since it uses as much as digits as its factorization.

13915697707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80437732.

The product of its (nonzero) digits is 2500470, while the sum is 55.

The spelling of 13915697707 in words is "thirteen billion, nine hundred fifteen million, six hundred ninety-seven thousand, seven hundred seven".