630224813689 has 3 divisors (see below), whose sum is σ = 630225607557. Its totient is φ = 630224019822.

The previous prime is 630224813681. The next prime is 630224813749. The reversal of 630224813689 is 986318422036.

The square root of 630224813689 is 793867.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 630224813689 - 2³ = 630224813681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630224813681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 396934 + ... + 1190800.

It is an arithmetic number, because the mean of its divisors is an integer number (210075202519).

Almost surely, 2^630224813689 is an apocalyptic number.

630224813689 is the 793867-th square number.

630224813689 is the 396934-th centered octagonal number.

It is an amenable number.

630224813689 is a deficient number, since it is larger than the sum of its proper divisors (793868).

630224813689 is an frugal number, since it uses more digits than its factorization.

630224813689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587734 (or 793867 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 630224813689 in words is "six hundred thirty billion, two hundred twenty-four million, eight hundred thirteen thousand, six hundred eighty-nine".