630746136207344 has 10 divisors (see below), whose sum is σ = 1222070638901760. Its totient is φ = 315373068103664.

The previous prime is 630746136207331. The next prime is 630746136207349. The reversal of 630746136207344 is 443702631647036.

It is a self number, because there is not a number n which added to its sum of digits gives 630746136207344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630746136207349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19710816756464 + ... + 19710816756495.

It is an arithmetic number, because the mean of its divisors is an integer number (122207063890176).

Almost surely, 2^{630746136207344} is an apocalyptic number.

It is an amenable number.

630746136207344 is a deficient number, since it is larger than the sum of its proper divisors (591324502694416).

630746136207344 is a wasteful number, since it uses less digits than its factorization.

630746136207344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39421633512967 (or 39421633512961 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 56.

The spelling of 630746136207344 in words is "six hundred thirty trillion, seven hundred forty-six billion, one hundred thirty-six million, two hundred seven thousand, three hundred forty-four".