630457274947 has 2 divisors, whose sum is σ = 630457274948. Its totient is φ = 630457274946.

The previous prime is 630457274929. The next prime is 630457275047. The reversal of 630457274947 is 749472754036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630457274947 - 2¹⁵ = 630457242179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630457274891 and 630457274900.

It is not a weakly prime, because it can be changed into another prime (630457274917) 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, 315228637473 + 315228637474.

It is an arithmetic number, because the mean of its divisors is an integer number (315228637474).

Almost surely, 2^630457274947 is an apocalyptic number.

630457274947 is a deficient number, since it is larger than the sum of its proper divisors (1).

630457274947 is an equidigital number, since it uses as much as digits as its factorization.

630457274947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35562240, while the sum is 58.

The spelling of 630457274947 in words is "six hundred thirty billion, four hundred fifty-seven million, two hundred seventy-four thousand, nine hundred forty-seven".