630746136207331 has 2 divisors, whose sum is σ = 630746136207332. Its totient is φ = 630746136207330.

The previous prime is 630746136207329. The next prime is 630746136207349. The reversal of 630746136207331 is 133702631647036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630746136207331 - 2¹ = 630746136207329 is a prime.

It is a super-2 number, since 2×630746136207331² (a number of 30 digits) contains 22 as substring.

Together with 630746136207329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (630746136207361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315373068103665 + 315373068103666.

It is an arithmetic number, because the mean of its divisors is an integer number (315373068103666).

Almost surely, 2^{630746136207331} is an apocalyptic number.

630746136207331 is a deficient number, since it is larger than the sum of its proper divisors (1).

630746136207331 is an equidigital number, since it uses as much as digits as its factorization.

630746136207331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 52.

The spelling of 630746136207331 in words is "six hundred thirty trillion, seven hundred forty-six billion, one hundred thirty-six million, two hundred seven thousand, three hundred thirty-one".