633639973122201 has 32 divisors (see below), whose sum is σ = 853558425280000. Its totient is φ = 418083019119360.

The previous prime is 633639973122137. The next prime is 633639973122257. The reversal of 633639973122201 is 102221379936336.

It is not a de Polignac number, because 633639973122201 - 2⁶ = 633639973122137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633639973120201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1059304935 + ... + 1059902931.

It is an arithmetic number, because the mean of its divisors is an integer number (26673700790000).

Almost surely, 2^{633639973122201} is an apocalyptic number.

It is an amenable number.

633639973122201 is a deficient number, since it is larger than the sum of its proper divisors (219918452157799).

633639973122201 is a wasteful number, since it uses less digits than its factorization.

633639973122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601729.

The product of its (nonzero) digits is 13226976, while the sum is 57.

The spelling of 633639973122201 in words is "six hundred thirty-three trillion, six hundred thirty-nine billion, nine hundred seventy-three million, one hundred twenty-two thousand, two hundred one".