630042109 has 12 divisors (see below), whose sum is σ = 686409600. Its totient is φ = 577617480.

The previous prime is 630042067. The next prime is 630042163. The reversal of 630042109 is 901240036.

It is not a de Polignac number, because 630042109 - 2⁹ = 630041597 is a prime.

It is a super-2 number, since 2×630042109² = 793906118226335762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630042199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16959 + ... + 39340.

It is an arithmetic number, because the mean of its divisors is an integer number (57200800).

Almost surely, 2^630042109 is an apocalyptic number.

It is an amenable number.

630042109 is a deficient number, since it is larger than the sum of its proper divisors (56367491).

630042109 is a wasteful number, since it uses less digits than its factorization.

630042109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56368 (or 56349 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 630042109 is about 25100.6396133644. The cubic root of 630042109 is about 857.2809875100.

The spelling of 630042109 in words is "six hundred thirty million, forty-two thousand, one hundred nine".