633290089021 has 2 divisors, whose sum is σ = 633290089022. Its totient is φ = 633290089020.

The previous prime is 633290088997. The next prime is 633290089063. The reversal of 633290089021 is 120980092336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608807228121 + 24482860900 = 780261^2 + 156470^2 .

It is a cyclic number.

It is not a de Polignac number, because 633290089021 - 2³⁹ = 83534275133 is a prime.

It is a super-2 number, since 2×633290089021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633290080021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316645044510 + 316645044511.

It is an arithmetic number, because the mean of its divisors is an integer number (316645044511).

Almost surely, 2^633290089021 is an apocalyptic number.

It is an amenable number.

633290089021 is a deficient number, since it is larger than the sum of its proper divisors (1).

633290089021 is an equidigital number, since it uses as much as digits as its factorization.

633290089021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 633290089021 in words is "six hundred thirty-three billion, two hundred ninety million, eighty-nine thousand, twenty-one".