633252274721 has 8 divisors (see below), whose sum is σ = 690845717664. Its totient is φ = 575663007520.

The previous prime is 633252274709. The next prime is 633252274769. The reversal of 633252274721 is 127472252336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633252274721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633252274771) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 722540 + ... + 1337373.

It is an arithmetic number, because the mean of its divisors is an integer number (86355714708).

Almost surely, 2^633252274721 is an apocalyptic number.

It is an amenable number.

633252274721 is a deficient number, since it is larger than the sum of its proper divisors (57593442943).

633252274721 is a wasteful number, since it uses less digits than its factorization.

633252274721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087871.

The product of its digits is 846720, while the sum is 44.

The spelling of 633252274721 in words is "six hundred thirty-three billion, two hundred fifty-two million, two hundred seventy-four thousand, seven hundred twenty-one".