630369830 has 16 divisors (see below), whose sum is σ = 1142283600. Its totient is φ = 250455072.

The previous prime is 630369827. The next prime is 630369871. The reversal of 630369830 is 38963036.

It is a super-2 number, since 2×630369830² = 794732245148457800, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210044 + ... + 213023.

It is an arithmetic number, because the mean of its divisors is an integer number (71392725).

Almost surely, 2^630369830 is an apocalyptic number.

630369830 is a deficient number, since it is larger than the sum of its proper divisors (511913770).

630369830 is a wasteful number, since it uses less digits than its factorization.

630369830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423223.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 630369830 is about 25107.1669050891. The cubic root of 630369830 is about 857.4296020655.

The spelling of 630369830 in words is "six hundred thirty million, three hundred sixty-nine thousand, eight hundred thirty".