13838705517 has 32 divisors (see below), whose sum is σ = 24045541632. Its totient is φ = 6870150144.

The previous prime is 13838705501. The next prime is 13838705519. The reversal of 13838705517 is 71550783831.

It is not a de Polignac number, because 13838705517 - 2⁴ = 13838705501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838705519) 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, 1486278 + ... + 1495559.

It is an arithmetic number, because the mean of its divisors is an integer number (751423176).

Almost surely, 2^13838705517 is an apocalyptic number.

13838705517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13838705517 is a deficient number, since it is larger than the sum of its proper divisors (10206836115).

13838705517 is a wasteful number, since it uses less digits than its factorization.

13838705517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981877.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 13838705517 in words is "thirteen billion, eight hundred thirty-eight million, seven hundred five thousand, five hundred seventeen".