632537336401 has 2 divisors, whose sum is σ = 632537336402. Its totient is φ = 632537336400.

The previous prime is 632537336371. The next prime is 632537336527. The reversal of 632537336401 is 104633735236.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 629839053376 + 2698283025 = 793624^2 + 51945^2 .

It is a cyclic number.

It is not a de Polignac number, because 632537336401 - 2⁵ = 632537336369 is a prime.

It is not a weakly prime, because it can be changed into another prime (632537366401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316268668200 + 316268668201.

It is an arithmetic number, because the mean of its divisors is an integer number (316268668201).

Almost surely, 2^632537336401 is an apocalyptic number.

It is an amenable number.

632537336401 is a deficient number, since it is larger than the sum of its proper divisors (1).

632537336401 is an equidigital number, since it uses as much as digits as its factorization.

632537336401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 632537336401 in words is "six hundred thirty-two billion, five hundred thirty-seven million, three hundred thirty-six thousand, four hundred one".