13918649199 has 24 divisors (see below), whose sum is σ = 22966365312. Its totient is φ = 7341703200.

The previous prime is 13918649191. The next prime is 13918649221. The reversal of 13918649199 is 99194681931.

It is not a de Polignac number, because 13918649199 - 2³ = 13918649191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13918649191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1957377 + ... + 1964474.

It is an arithmetic number, because the mean of its divisors is an integer number (956931888).

Almost surely, 2^13918649199 is an apocalyptic number.

13918649199 is a deficient number, since it is larger than the sum of its proper divisors (9047716113).

13918649199 is a wasteful number, since it uses less digits than its factorization.

13918649199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921887 (or 3921874 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 60.

The spelling of 13918649199 in words is "thirteen billion, nine hundred eighteen million, six hundred forty-nine thousand, one hundred ninety-nine".