13938380577 has 48 divisors (see below), whose sum is σ = 23060306880. Its totient is φ = 8034364800.

The previous prime is 13938380567. The next prime is 13938380579. The reversal of 13938380577 is 77508383931.

13938380577 is a `hidden beast` number, since 1 + 3 + 9 + 38 + 38 + 0 + 577 = 666.

It is not a de Polignac number, because 13938380577 - 2¹¹ = 13938378529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13938380579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156127 + ... + 228587.

It is an arithmetic number, because the mean of its divisors is an integer number (480423060).

Almost surely, 2^13938380577 is an apocalyptic number.

It is an amenable number.

13938380577 is a deficient number, since it is larger than the sum of its proper divisors (9121926303).

13938380577 is a wasteful number, since it uses less digits than its factorization.

13938380577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72574 (or 72571 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 13938380577 in words is "thirteen billion, nine hundred thirty-eight million, three hundred eighty thousand, five hundred seventy-seven".