13889627625 has 32 divisors (see below), whose sum is σ = 23457343104. Its totient is φ = 7297224000.

The previous prime is 13889627621. The next prime is 13889627629. The reversal of 13889627625 is 52672698831.

It is an interprime number because it is at equal distance from previous prime (13889627621) and next prime (13889627629).

It is not a de Polignac number, because 13889627625 - 2² = 13889627621 is a prime.

It is a super-2 number, since 2×13889627625² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13889627621) 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, 251286 + ... + 301535.

It is an arithmetic number, because the mean of its divisors is an integer number (733041972).

Almost surely, 2^13889627625 is an apocalyptic number.

13889627625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13889627625 is a deficient number, since it is larger than the sum of its proper divisors (9567715479).

13889627625 is an equidigital number, since it uses as much as digits as its factorization.

13889627625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552906 (or 552896 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 13889627625 in words is "thirteen billion, eight hundred eighty-nine million, six hundred twenty-seven thousand, six hundred twenty-five".