630247699 has 2 divisors, whose sum is σ = 630247700. Its totient is φ = 630247698.

The previous prime is 630247693. The next prime is 630247721. The reversal of 630247699 is 996742036.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630247699 is a prime.

It is not a weakly prime, because it can be changed into another prime (630247693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315123849 + 315123850.

It is an arithmetic number, because the mean of its divisors is an integer number (315123850).

Almost surely, 2^630247699 is an apocalyptic number.

630247699 is a deficient number, since it is larger than the sum of its proper divisors (1).

630247699 is an equidigital number, since it uses as much as digits as its factorization.

630247699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 630247699 is about 25104.7345932993. The cubic root of 630247699 is about 857.3742242575.

The spelling of 630247699 in words is "six hundred thirty million, two hundred forty-seven thousand, six hundred ninety-nine".