13697946538 has 8 divisors (see below), whose sum is σ = 20554981920. Its totient is φ = 6846285900.

The previous prime is 13697946517. The next prime is 13697946551. The reversal of 13697946538 is 83564979631.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1337308 + ... + 1347511.

It is an arithmetic number, because the mean of its divisors is an integer number (2569372740).

Almost surely, 2^13697946538 is an apocalyptic number.

13697946538 is a deficient number, since it is larger than the sum of its proper divisors (6857035382).

13697946538 is a wasteful number, since it uses less digits than its factorization.

13697946538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687372.

The product of its digits is 29393280, while the sum is 61.

The spelling of 13697946538 in words is "thirteen billion, six hundred ninety-seven million, nine hundred forty-six thousand, five hundred thirty-eight".