630342112522 has 8 divisors (see below), whose sum is σ = 946522257156. Its totient is φ = 314834693472.

The previous prime is 630342112453. The next prime is 630342112553. The reversal of 630342112522 is 225211243036.

It can be written as a sum of positive squares in 2 ways, for example, as 628894994841 + 1447117681 = 793029^2 + 38041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168179053 + ... + 168182800.

Almost surely, 2^630342112522 is an apocalyptic number.

630342112522 is a deficient number, since it is larger than the sum of its proper divisors (316180144634).

630342112522 is a wasteful number, since it uses less digits than its factorization.

630342112522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336362792.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 630342112522 its reverse (225211243036), we get a palindrome (855553355558).

The spelling of 630342112522 in words is "six hundred thirty billion, three hundred forty-two million, one hundred twelve thousand, five hundred twenty-two".