13837881725 has 12 divisors (see below), whose sum is σ = 17163610164. Its totient is φ = 11067313920.

The previous prime is 13837881709. The next prime is 13837881727. The reversal of 13837881725 is 52718873831.

It can be written as a sum of positive squares in 6 ways, for example, as 6212750041 + 7625131684 = 78821^2 + 87322^2 .

It is not a de Polignac number, because 13837881725 - 2⁴ = 13837881709 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 (13837881727) 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 11 ways as a sum of consecutive naturals, for example, 22037 + ... + 167813.

It is an arithmetic number, because the mean of its divisors is an integer number (1430300847).

Almost surely, 2^13837881725 is an apocalyptic number.

It is an amenable number.

13837881725 is a deficient number, since it is larger than the sum of its proper divisors (3325728439).

13837881725 is a wasteful number, since it uses less digits than its factorization.

13837881725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149584 (or 149579 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 53.

The spelling of 13837881725 in words is "thirteen billion, eight hundred thirty-seven million, eight hundred eighty-one thousand, seven hundred twenty-five".