630043605 has 24 divisors (see below), whose sum is σ = 1095400800. Its totient is φ = 335000160.

The previous prime is 630043573. The next prime is 630043607. The reversal of 630043605 is 506340036.

It is not a de Polignac number, because 630043605 - 2⁵ = 630043573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630043607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6255 + ... + 36044.

It is an arithmetic number, because the mean of its divisors is an integer number (45641700).

Almost surely, 2^630043605 is an apocalyptic number.

It is an amenable number.

630043605 is a deficient number, since it is larger than the sum of its proper divisors (465357195).

630043605 is a wasteful number, since it uses less digits than its factorization.

630043605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42641 (or 42638 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 630043605 is about 25100.6694133842. The cubic root of 630043605 is about 857.2816660315.

The spelling of 630043605 in words is "six hundred thirty million, forty-three thousand, six hundred five".