12733810425 has 36 divisors (see below), whose sum is σ = 26065911040. Its totient is φ = 5821169760.

The previous prime is 12733810421. The next prime is 12733810489. The reversal of 12733810425 is 52401833721.

12733810425 is a `hidden beast` number, since 1 + 273 + 381 + 0 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 12733810425 - 2² = 12733810421 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12733810425.

It is not an unprimeable number, because it can be changed into a prime (12733810421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4040905 + ... + 4044054.

Almost surely, 2^12733810425 is an apocalyptic number.

12733810425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12733810425 is an abundant number, since it is smaller than the sum of its proper divisors (13332100615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12733810425 is a wasteful number, since it uses less digits than its factorization.

12733810425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084982 (or 8084974 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 12733810425 in words is "twelve billion, seven hundred thirty-three million, eight hundred ten thousand, four hundred twenty-five".