13913890193 has 16 divisors (see below), whose sum is σ = 17417566080. Its totient is φ = 10837591296.

The previous prime is 13913890187. The next prime is 13913890213. The reversal of 13913890193 is 39109831931.

It is not a de Polignac number, because 13913890193 - 2²⁸ = 13645454737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13913890153) 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, 2012471 + ... + 2019372.

It is an arithmetic number, because the mean of its divisors is an integer number (1088597880).

Almost surely, 2^13913890193 is an apocalyptic number.

It is an amenable number.

13913890193 is a deficient number, since it is larger than the sum of its proper divisors (3503675887).

13913890193 is a wasteful number, since it uses less digits than its factorization.

13913890193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031896.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 13913890193 in words is "thirteen billion, nine hundred thirteen million, eight hundred ninety thousand, one hundred ninety-three".