630567009 has 24 divisors (see below), whose sum is σ = 965382912. Its totient is φ = 395245440.

The previous prime is 630566977. The next prime is 630567017. The reversal of 630567009 is 900765036.

It is a happy number.

It is not a de Polignac number, because 630567009 - 2⁵ = 630566977 is a prime.

It is a super-2 number, since 2×630567009² = 795229505678412162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630567029) 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 23 ways as a sum of consecutive naturals, for example, 234744 + ... + 237414.

It is an arithmetic number, because the mean of its divisors is an integer number (40224288).

Almost surely, 2^630567009 is an apocalyptic number.

It is an amenable number.

630567009 is a deficient number, since it is larger than the sum of its proper divisors (334815903).

630567009 is a wasteful number, since it uses less digits than its factorization.

630567009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 630567009 is about 25111.0933453723. The cubic root of 630567009 is about 857.5189937625.

The spelling of 630567009 in words is "six hundred thirty million, five hundred sixty-seven thousand, nine".