630363697 has 4 divisors (see below), whose sum is σ = 632979556. Its totient is φ = 627747840.

The previous prime is 630363619. The next prime is 630363731. The reversal of 630363697 is 796363036.

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

It can be written as a sum of positive squares in 2 ways, for example, as 465523776 + 164839921 = 21576^2 + 12839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630363697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630363197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307568 + ... + 1308049.

It is an arithmetic number, because the mean of its divisors is an integer number (158244889).

Almost surely, 2^630363697 is an apocalyptic number.

It is an amenable number.

630363697 is a deficient number, since it is larger than the sum of its proper divisors (2615859).

630363697 is a wasteful number, since it uses less digits than its factorization.

630363697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615858.

The product of its (nonzero) digits is 367416, while the sum is 43.

The square root of 630363697 is about 25107.0447683514. The cubic root of 630363697 is about 857.4268213525.

The spelling of 630363697 in words is "six hundred thirty million, three hundred sixty-three thousand, six hundred ninety-seven".