13108645694 has 4 divisors (see below), whose sum is σ = 19662968544. Its totient is φ = 6554322846.

The previous prime is 13108645681. The next prime is 13108645703. The reversal of 13108645694 is 49654680131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277161422 + ... + 3277161425.

It is an arithmetic number, because the mean of its divisors is an integer number (4915742136).

Almost surely, 2^13108645694 is an apocalyptic number.

13108645694 is a deficient number, since it is larger than the sum of its proper divisors (6554322850).

13108645694 is an equidigital number, since it uses as much as digits as its factorization.

13108645694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554322849.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 13108645694 in words is "thirteen billion, one hundred eight million, six hundred forty-five thousand, six hundred ninety-four".