630743319 has 12 divisors (see below), whose sum is σ = 911402856. Its totient is φ = 420343632.

The previous prime is 630743297. The next prime is 630743353. The reversal of 630743319 is 913347036.

630743319 is a `hidden beast` number, since 630 + 7 + 4 + 3 + 3 + 19 = 666.

It is not a de Polignac number, because 630743319 - 2⁸ = 630743063 is a prime.

It is a super-2 number, since 2×630743319² = 795674268926271522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630743119) 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 11 ways as a sum of consecutive naturals, for example, 17389 + ... + 39545.

It is an arithmetic number, because the mean of its divisors is an integer number (75950238).

Almost surely, 2^630743319 is an apocalyptic number.

630743319 is a deficient number, since it is larger than the sum of its proper divisors (280659537).

630743319 is a wasteful number, since it uses less digits than its factorization.

630743319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25326 (or 25323 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 630743319 is about 25114.6036998397. The cubic root of 630743319 is about 857.5989086554.

The spelling of 630743319 in words is "six hundred thirty million, seven hundred forty-three thousand, three hundred nineteen".