632665498189 has 2 divisors, whose sum is σ = 632665498190. Its totient is φ = 632665498188.

The previous prime is 632665498151. The next prime is 632665498243. The reversal of 632665498189 is 981894566236.

632665498189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482284414089 + 150381084100 = 694467^2 + 387790^2 .

It is a cyclic number.

It is not a de Polignac number, because 632665498189 - 2¹⁹ = 632664973901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632665492189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316332749094 + 316332749095.

It is an arithmetic number, because the mean of its divisors is an integer number (316332749095).

Almost surely, 2^632665498189 is an apocalyptic number.

It is an amenable number.

632665498189 is a deficient number, since it is larger than the sum of its proper divisors (1).

632665498189 is an equidigital number, since it uses as much as digits as its factorization.

632665498189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134369280, while the sum is 67.

The spelling of 632665498189 in words is "six hundred thirty-two billion, six hundred sixty-five million, four hundred ninety-eight thousand, one hundred eighty-nine".