632630375647 has 2 divisors, whose sum is σ = 632630375648. Its totient is φ = 632630375646.

The previous prime is 632630375639. The next prime is 632630375669. The reversal of 632630375647 is 746573036236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 632630375647 - 2³ = 632630375639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632630375594 and 632630375603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632630325647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316315187823 + 316315187824.

It is an arithmetic number, because the mean of its divisors is an integer number (316315187824).

Almost surely, 2^632630375647 is an apocalyptic number.

632630375647 is a deficient number, since it is larger than the sum of its proper divisors (1).

632630375647 is an equidigital number, since it uses as much as digits as its factorization.

632630375647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 52.

The spelling of 632630375647 in words is "six hundred thirty-two billion, six hundred thirty million, three hundred seventy-five thousand, six hundred forty-seven".