36681593825 has 24 divisors (see below), whose sum is σ = 46458431232. Its totient is φ = 28722957120.

The previous prime is 36681593813. The next prime is 36681593827. The reversal of 36681593825 is 52839518663.

It is not a de Polignac number, because 36681593825 - 2⁶ = 36681593761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36681593827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193232 + ... + 332718.

It is an arithmetic number, because the mean of its divisors is an integer number (1935767968).

Almost surely, 2^36681593825 is an apocalyptic number.

It is an amenable number.

36681593825 is a deficient number, since it is larger than the sum of its proper divisors (9776837407).

36681593825 is a wasteful number, since it uses less digits than its factorization.

36681593825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139721 (or 139716 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 56.

The spelling of 36681593825 in words is "thirty-six billion, six hundred eighty-one million, five hundred ninety-three thousand, eight hundred twenty-five".