629670816324 has 135 divisors (see below), whose sum is σ = 1752427132365. Its totient is φ = 190634764320.

The previous prime is 629670816289. The next prime is 629670816331. The reversal of 629670816324 is 423618076926.

The square root of 629670816324 is 793518.

It is a perfect power (a square), and thus also a powerful number.

629670816324 is a `hidden beast` number, since 629 + 6 + 7 + 0 + 8 + 1 + 6 + 3 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 620487044100 + 9183772224 = 787710^2 + 95832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 576093522 + ... + 576094614.

Almost surely, 2^629670816324 is an apocalyptic number.

629670816324 is the 793518-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629670816324

629670816324 is an abundant number, since it is smaller than the sum of its proper divisors (1122756316041).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629670816324 is an equidigital number, since it uses as much as digits as its factorization.

629670816324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 629670816324 in words is "six hundred twenty-nine billion, six hundred seventy million, eight hundred sixteen thousand, three hundred twenty-four".