13893144225 has 48 divisors (see below), whose sum is σ = 23141376000. Its totient is φ = 7354580800.

The previous prime is 13893144217. The next prime is 13893144253. The reversal of 13893144225 is 52244139831.

It is a happy number.

It is not a de Polignac number, because 13893144225 - 2³ = 13893144217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9267526 + ... + 9269024.

It is an arithmetic number, because the mean of its divisors is an integer number (482112000).

Almost surely, 2^13893144225 is an apocalyptic number.

13893144225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13893144225 is a deficient number, since it is larger than the sum of its proper divisors (9248231775).

13893144225 is a wasteful number, since it uses less digits than its factorization.

13893144225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2345 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 13893144225 in words is "thirteen billion, eight hundred ninety-three million, one hundred forty-four thousand, two hundred twenty-five".