632701889 has 2 divisors, whose sum is σ = 632701890. Its totient is φ = 632701888.

The previous prime is 632701841. The next prime is 632701939. The reversal of 632701889 is 988107236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539772289 + 92929600 = 23233^2 + 9640^2 .

It is a cyclic number.

It is not a de Polignac number, because 632701889 - 2⁸ = 632701633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (632701819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316350944 + 316350945.

It is an arithmetic number, because the mean of its divisors is an integer number (316350945).

Almost surely, 2^632701889 is an apocalyptic number.

It is an amenable number.

632701889 is a deficient number, since it is larger than the sum of its proper divisors (1).

632701889 is an equidigital number, since it uses as much as digits as its factorization.

632701889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 632701889 is about 25153.5661288812. The cubic root of 632701889 is about 858.4856570794.

The spelling of 632701889 in words is "six hundred thirty-two million, seven hundred one thousand, eight hundred eighty-nine".