13838335825 has 36 divisors (see below), whose sum is σ = 18113979520. Its totient is φ = 10485493920.

The previous prime is 13838335811. The next prime is 13838335829. The reversal of 13838335825 is 52853383831.

It is not a de Polignac number, because 13838335825 - 2¹⁵ = 13838303057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838335829) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1357096 + ... + 1367254.

Almost surely, 2^13838335825 is an apocalyptic number.

It is an amenable number.

13838335825 is a deficient number, since it is larger than the sum of its proper divisors (4275643695).

13838335825 is a wasteful number, since it uses less digits than its factorization.

13838335825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318 (or 10290 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 49.

The spelling of 13838335825 in words is "thirteen billion, eight hundred thirty-eight million, three hundred thirty-five thousand, eight hundred twenty-five".