36643622633 has 16 divisors (see below), whose sum is σ = 38290106880. Its totient is φ = 35026992000.

The previous prime is 36643622629. The next prime is 36643622651. The reversal of 36643622633 is 33622634663.

It is a cyclic number.

It is not a de Polignac number, because 36643622633 - 2² = 36643622629 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36643622693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2893391 + ... + 2906027.

It is an arithmetic number, because the mean of its divisors is an integer number (2393131680).

Almost surely, 2^36643622633 is an apocalyptic number.

It is an amenable number.

36643622633 is a deficient number, since it is larger than the sum of its proper divisors (1646484247).

36643622633 is a wasteful number, since it uses less digits than its factorization.

36643622633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808.

The product of its digits is 1679616, while the sum is 44.

The spelling of 36643622633 in words is "thirty-six billion, six hundred forty-three million, six hundred twenty-two thousand, six hundred thirty-three".