632121006589 has 2 divisors, whose sum is σ = 632121006590. Its totient is φ = 632121006588.

The previous prime is 632121006487. The next prime is 632121006619. The reversal of 632121006589 is 985600121236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630885484089 + 1235522500 = 794283^2 + 35150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632121006589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632121007589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316060503294 + 316060503295.

It is an arithmetic number, because the mean of its divisors is an integer number (316060503295).

Almost surely, 2^632121006589 is an apocalyptic number.

It is an amenable number.

632121006589 is a deficient number, since it is larger than the sum of its proper divisors (1).

632121006589 is an equidigital number, since it uses as much as digits as its factorization.

632121006589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 632121006589 in words is "six hundred thirty-two billion, one hundred twenty-one million, six thousand, five hundred eighty-nine".