13694604026 has 4 divisors (see below), whose sum is σ = 20541906042. Its totient is φ = 6847302012.

The previous prime is 13694604023. The next prime is 13694604043. The reversal of 13694604026 is 62040649631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62040649631 = 19 ⋅3265297349.

It can be written as a sum of positive squares in only one way, i.e., 12702417025 + 992187001 = 112705^2 + 31499^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13694604023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3423651005 + ... + 3423651008.

Almost surely, 2^13694604026 is an apocalyptic number.

13694604026 is a deficient number, since it is larger than the sum of its proper divisors (6847302016).

13694604026 is an equidigital number, since it uses as much as digits as its factorization.

13694604026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847302015.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 13694604026 in words is "thirteen billion, six hundred ninety-four million, six hundred four thousand, twenty-six".