23638536725 has 12 divisors (see below), whose sum is σ = 29321081664. Its totient is φ = 18904831920.

The previous prime is 23638536667. The next prime is 23638536743. The reversal of 23638536725 is 52763583632.

It is not a de Polignac number, because 23638536725 - 2¹² = 23638532629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68669 + ... + 228018.

It is an arithmetic number, because the mean of its divisors is an integer number (2443423472).

Almost surely, 2^23638536725 is an apocalyptic number.

23638536725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23638536725 is a deficient number, since it is larger than the sum of its proper divisors (5682544939).

23638536725 is a wasteful number, since it uses less digits than its factorization.

23638536725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299884 (or 299879 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 50.

The spelling of 23638536725 in words is "twenty-three billion, six hundred thirty-eight million, five hundred thirty-six thousand, seven hundred twenty-five".