630000002 has 16 divisors (see below), whose sum is σ = 982238400. Its totient is φ = 302690640.

The previous prime is 629999983. The next prime is 630000013. The reversal of 630000002 is 200000036.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13502 + ... + 37977.

It is an arithmetic number, because the mean of its divisors is an integer number (61389900).

Almost surely, 2^630000002 is an apocalyptic number.

630000002 is a deficient number, since it is larger than the sum of its proper divisors (352238398).

630000002 is a wasteful number, since it uses less digits than its factorization.

630000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51721.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 630000002 is about 25099.8008358632. The cubic root of 630000002 is about 857.2618891385.

Adding to 630000002 its reverse (200000036), we get a palindrome (830000038).

The spelling of 630000002 in words is "six hundred thirty million, two", and thus it is an aban number.