630375685663 has 2 divisors, whose sum is σ = 630375685664. Its totient is φ = 630375685662.

The previous prime is 630375685627. The next prime is 630375685727. The reversal of 630375685663 is 366586573036.

630375685663 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 is a cyclic number.

It is not a de Polignac number, because 630375685663 - 2¹⁷ = 630375554591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630375685598 and 630375685607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630375682663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315187842831 + 315187842832.

It is an arithmetic number, because the mean of its divisors is an integer number (315187842832).

Almost surely, 2^630375685663 is an apocalyptic number.

630375685663 is a deficient number, since it is larger than the sum of its proper divisors (1).

630375685663 is an equidigital number, since it uses as much as digits as its factorization.

630375685663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 58.

The spelling of 630375685663 in words is "six hundred thirty billion, three hundred seventy-five million, six hundred eighty-five thousand, six hundred sixty-three".