13939580487 has 16 divisors (see below), whose sum is σ = 21259442432. Its totient is φ = 7958658240.

The previous prime is 13939580453. The next prime is 13939580519. The reversal of 13939580487 is 78408593931.

It is not a de Polignac number, because 13939580487 - 2¹⁵ = 13939547719 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939580407) 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, 258838 + ... + 308019.

It is an arithmetic number, because the mean of its divisors is an integer number (1328715152).

Almost surely, 2^13939580487 is an apocalyptic number.

13939580487 is a deficient number, since it is larger than the sum of its proper divisors (7319861945).

13939580487 is a wasteful number, since it uses less digits than its factorization.

13939580487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568038.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 13939580487 in words is "thirteen billion, nine hundred thirty-nine million, five hundred eighty thousand, four hundred eighty-seven".