13691023983 has 96 divisors (see below), whose sum is σ = 24698419200. Its totient is φ = 7116076800.

The previous prime is 13691023961. The next prime is 13691024057. The reversal of 13691023983 is 38932019631.

It is not a de Polignac number, because 13691023983 - 2²⁶ = 13623915119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13691023903) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18426310 + ... + 18427052.

It is an arithmetic number, because the mean of its divisors is an integer number (257275200).

Almost surely, 2^13691023983 is an apocalyptic number.

13691023983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13691023983 is a deficient number, since it is larger than the sum of its proper divisors (11007395217).

13691023983 is a wasteful number, since it uses less digits than its factorization.

13691023983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 13691023983 in words is "thirteen billion, six hundred ninety-one million, twenty-three thousand, nine hundred eighty-three".