13904015373 has 12 divisors (see below), whose sum is σ = 20084676508. Its totient is φ = 9268836480.

The previous prime is 13904015371. The next prime is 13904015381. The reversal of 13904015373 is 37351040931.

13904015373 is a `hidden beast` number, since 139 + 0 + 401 + 53 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10287436329 + 3616579044 = 101427^2 + 60138^2 .

It is not a de Polignac number, because 13904015373 - 2¹ = 13904015371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904015371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211743 + ... + 269523.

Almost surely, 2^13904015373 is an apocalyptic number.

It is an amenable number.

13904015373 is a deficient number, since it is larger than the sum of its proper divisors (6180661135).

13904015373 is a wasteful number, since it uses less digits than its factorization.

13904015373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84524 (or 84521 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The spelling of 13904015373 in words is "thirteen billion, nine hundred four million, fifteen thousand, three hundred seventy-three".