630535663 has 2 divisors, whose sum is σ = 630535664. Its totient is φ = 630535662.

The previous prime is 630535657. The next prime is 630535673. The reversal of 630535663 is 366535036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630535663 - 2²¹ = 628438511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630535613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315267831 + 315267832.

It is an arithmetic number, because the mean of its divisors is an integer number (315267832).

Almost surely, 2^630535663 is an apocalyptic number.

630535663 is a deficient number, since it is larger than the sum of its proper divisors (1).

630535663 is an equidigital number, since it uses as much as digits as its factorization.

630535663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 37.

The square root of 630535663 is about 25110.4691911561. The cubic root of 630535663 is about 857.5047842044.

The spelling of 630535663 in words is "six hundred thirty million, five hundred thirty-five thousand, six hundred sixty-three".