13874185525 has 24 divisors (see below), whose sum is σ = 17411776200. Its totient is φ = 10965504000.

The previous prime is 13874185513. The next prime is 13874185541. The reversal of 13874185525 is 52558147831.

It can be written as a sum of positive squares in 12 ways, for example, as 8055242001 + 5818943524 = 89751^2 + 76282^2 .

It is not a de Polignac number, because 13874185525 - 2¹³ = 13874177333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4201375 + ... + 4204675.

It is an arithmetic number, because the mean of its divisors is an integer number (725490675).

Almost surely, 2^13874185525 is an apocalyptic number.

It is an amenable number.

13874185525 is a deficient number, since it is larger than the sum of its proper divisors (3537590675).

13874185525 is a wasteful number, since it uses less digits than its factorization.

13874185525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289 (or 5284 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 49.

The spelling of 13874185525 in words is "thirteen billion, eight hundred seventy-four million, one hundred eighty-five thousand, five hundred twenty-five".