13932541805 has 16 divisors (see below), whose sum is σ = 20577293184. Its totient is φ = 8818839360.

The previous prime is 13932541781. The next prime is 13932541817. The reversal of 13932541805 is 50814523931.

It is a de Polignac number, because none of the positive numbers 2^k-13932541805 is a prime.

It is a super-2 number, since 2×13932541805² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15310031 + ... + 15310940.

It is an arithmetic number, because the mean of its divisors is an integer number (1286080824).

Almost surely, 2^13932541805 is an apocalyptic number.

It is an amenable number.

13932541805 is a deficient number, since it is larger than the sum of its proper divisors (6644751379).

13932541805 is a wasteful number, since it uses less digits than its factorization.

13932541805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620996.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 13932541805 in words is "thirteen billion, nine hundred thirty-two million, five hundred forty-one thousand, eight hundred five".