630714647 has 2 divisors, whose sum is σ = 630714648. Its totient is φ = 630714646.

The previous prime is 630714641. The next prime is 630714677. The reversal of 630714647 is 746417036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630714647 - 2¹⁶ = 630649111 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630714647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630714641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315357323 + 315357324.

It is an arithmetic number, because the mean of its divisors is an integer number (315357324).

Almost surely, 2^630714647 is an apocalyptic number.

630714647 is a deficient number, since it is larger than the sum of its proper divisors (1).

630714647 is an equidigital number, since it uses as much as digits as its factorization.

630714647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 630714647 is about 25114.0328700908. The cubic root of 630714647 is about 857.5859136976.

The spelling of 630714647 in words is "six hundred thirty million, seven hundred fourteen thousand, six hundred forty-seven".