632649271057 has 2 divisors, whose sum is σ = 632649271058. Its totient is φ = 632649271056.

The previous prime is 632649271027. The next prime is 632649271061. The reversal of 632649271057 is 750172946236.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493353116881 + 139296154176 = 702391^2 + 373224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632649271057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632649270995 and 632649271013.

It is not a weakly prime, because it can be changed into another prime (632649271027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316324635528 + 316324635529.

It is an arithmetic number, because the mean of its divisors is an integer number (316324635529).

Almost surely, 2^632649271057 is an apocalyptic number.

It is an amenable number.

632649271057 is a deficient number, since it is larger than the sum of its proper divisors (1).

632649271057 is an equidigital number, since it uses as much as digits as its factorization.

632649271057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 632649271057 in words is "six hundred thirty-two billion, six hundred forty-nine million, two hundred seventy-one thousand, fifty-seven".