630329608489 has 27 divisors (see below), whose sum is σ = 759590808951. Its totient is φ = 521518709040.

The previous prime is 630329608481. The next prime is 630329608501. The reversal of 630329608489 is 984806923036.

The square root of 630329608489 is 793933.

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

It can be written as a sum of positive squares in only one way, i.e., 330529556889 + 299800051600 = 574917^2 + 547540^2 .

It is not a de Polignac number, because 630329608489 - 2³ = 630329608481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630329608481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 161166444 + ... + 161170354.

Almost surely, 2^630329608489 is an apocalyptic number.

630329608489 is the 793933-rd square number.

630329608489 is the 396967-th centered octagonal number.

It is an amenable number.

630329608489 is a deficient number, since it is larger than the sum of its proper divisors (129261200462).

630329608489 is an frugal number, since it uses more digits than its factorization.

630329608489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 630329608489 in words is "six hundred thirty billion, three hundred twenty-nine million, six hundred eight thousand, four hundred eighty-nine".