13937323543 has 32 divisors (see below), whose sum is σ = 16613775360. Its totient is φ = 11524930560.

The previous prime is 13937323523. The next prime is 13937323579. The reversal of 13937323543 is 34532373931.

It is a de Polignac number, because none of the positive numbers 2^k-13937323543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13937323543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13937323523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8212071 + ... + 8213767.

It is an arithmetic number, because the mean of its divisors is an integer number (519180480).

Almost surely, 2^13937323543 is an apocalyptic number.

13937323543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13937323543 is a deficient number, since it is larger than the sum of its proper divisors (2676451817).

13937323543 is a wasteful number, since it uses less digits than its factorization.

13937323543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its digits is 612360, while the sum is 43.

The spelling of 13937323543 in words is "thirteen billion, nine hundred thirty-seven million, three hundred twenty-three thousand, five hundred forty-three".