630400715744231 has 4 divisors (see below), whose sum is σ = 630401848362264. Its totient is φ = 630399583126200.

The previous prime is 630400715744203. The next prime is 630400715744279. The reversal of 630400715744231 is 132447517004036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630400715744231 is a prime.

It is a super-2 number, since 2×630400715744231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630400715746231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565473725 + ... + 566587446.

It is an arithmetic number, because the mean of its divisors is an integer number (157600462090566).

Almost surely, 2^{630400715744231} is an apocalyptic number.

630400715744231 is a deficient number, since it is larger than the sum of its proper divisors (1132618033).

630400715744231 is a wasteful number, since it uses less digits than its factorization.

630400715744231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132618032.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 630400715744231 in words is "six hundred thirty trillion, four hundred billion, seven hundred fifteen million, seven hundred forty-four thousand, two hundred thirty-one".