632563881973 has 2 divisors, whose sum is σ = 632563881974. Its totient is φ = 632563881972.

The previous prime is 632563881947. The next prime is 632563882019. The reversal of 632563881973 is 379188365236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599932349809 + 32631532164 = 774553^2 + 180642^2 .

It is a cyclic number.

It is not a de Polignac number, because 632563881973 - 2⁵ = 632563881941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632563881673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316281940986 + 316281940987.

It is an arithmetic number, because the mean of its divisors is an integer number (316281940987).

Almost surely, 2^632563881973 is an apocalyptic number.

It is an amenable number.

632563881973 is a deficient number, since it is larger than the sum of its proper divisors (1).

632563881973 is an equidigital number, since it uses as much as digits as its factorization.

632563881973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 61.

The spelling of 632563881973 in words is "six hundred thirty-two billion, five hundred sixty-three million, eight hundred eighty-one thousand, nine hundred seventy-three".