36640000413621 has 24 divisors (see below), whose sum is σ = 57741341950656. Its totient is φ = 22203913271040.

The previous prime is 36640000413607. The next prime is 36640000413647. The reversal of 36640000413621 is 12631400004663.

36640000413621 is a `hidden beast` number, since 3 + 6 + 640 + 0 + 0 + 0 + 4 + 1 + 3 + 6 + 2 + 1 = 666.

It is not a de Polignac number, because 36640000413621 - 2⁷ = 36640000413493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36640000413691) 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, 16867420 + ... + 18915333.

It is an arithmetic number, because the mean of its divisors is an integer number (2405889247944).

Almost surely, 2^{36640000413621} is an apocalyptic number.

It is an amenable number.

36640000413621 is a deficient number, since it is larger than the sum of its proper divisors (21101341537035).

36640000413621 is a wasteful number, since it uses less digits than its factorization.

36640000413621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35793113 (or 35793110 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 36640000413621 in words is "thirty-six trillion, six hundred forty billion, four hundred thirteen thousand, six hundred twenty-one".