13691100909 has 16 divisors (see below), whose sum is σ = 19561493952. Its totient is φ = 8486992128.

The previous prime is 13691100887. The next prime is 13691100919. The reversal of 13691100909 is 90900119631.

It is a happy number.

It is not a de Polignac number, because 13691100909 - 2⁵ = 13691100877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13691100919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612954 + ... + 1621419.

It is an arithmetic number, because the mean of its divisors is an integer number (1222593372).

Almost surely, 2^13691100909 is an apocalyptic number.

It is an amenable number.

13691100909 is a deficient number, since it is larger than the sum of its proper divisors (5870393043).

13691100909 is a wasteful number, since it uses less digits than its factorization.

13691100909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234476.

The product of its (nonzero) digits is 13122, while the sum is 39.

The spelling of 13691100909 in words is "thirteen billion, six hundred ninety-one million, one hundred thousand, nine hundred nine".