630746674531 has 2 divisors, whose sum is σ = 630746674532. Its totient is φ = 630746674530.

The previous prime is 630746674501. The next prime is 630746674549. The reversal of 630746674531 is 135476647036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630746674531 - 2⁵ = 630746674499 is a prime.

It is a super-2 number, since 2×630746674531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (630746674501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315373337265 + 315373337266.

It is an arithmetic number, because the mean of its divisors is an integer number (315373337266).

Almost surely, 2^630746674531 is an apocalyptic number.

630746674531 is a deficient number, since it is larger than the sum of its proper divisors (1).

630746674531 is an equidigital number, since it uses as much as digits as its factorization.

630746674531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 630746674531 in words is "six hundred thirty billion, seven hundred forty-six million, six hundred seventy-four thousand, five hundred thirty-one".