6604630009 has 2 divisors, whose sum is σ = 6604630010. Its totient is φ = 6604630008.

The previous prime is 6604629973. The next prime is 6604630037. The reversal of 6604630009 is 9000364066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6514911225 + 89718784 = 80715^2 + 9472^2 .

It is a cyclic number.

It is not a de Polignac number, because 6604630009 - 2¹⁹ = 6604105721 is a prime.

It is a super-2 number, since 2×6604630009² = 87242275111566680162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6604630049) 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 as a sum of consecutive naturals, namely, 3302315004 + 3302315005.

It is an arithmetic number, because the mean of its divisors is an integer number (3302315005).

Almost surely, 2^6604630009 is an apocalyptic number.

It is an amenable number.

6604630009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604630009 is an equidigital number, since it uses as much as digits as its factorization.

6604630009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 6604630009 is about 81268.8747861074. The cubic root of 6604630009 is about 1876.2159824594.

The spelling of 6604630009 in words is "six billion, six hundred four million, six hundred thirty thousand, nine".