13806691913 has 8 divisors (see below), whose sum is σ = 16076795328. Its totient is φ = 11611018224.

The previous prime is 13806691909. The next prime is 13806691931. The reversal of 13806691913 is 31919660831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13806691913 - 2² = 13806691909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13806691963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18607031 + ... + 18607772.

It is an arithmetic number, because the mean of its divisors is an integer number (2009599416).

Almost surely, 2^13806691913 is an apocalyptic number.

It is an amenable number.

13806691913 is a deficient number, since it is larger than the sum of its proper divisors (2270103415).

13806691913 is an equidigital number, since it uses as much as digits as its factorization.

13806691913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37214863.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 13806691913 in words is "thirteen billion, eight hundred six million, six hundred ninety-one thousand, nine hundred thirteen".