9007665899 has 2 divisors, whose sum is σ = 9007665900. Its totient is φ = 9007665898.

The previous prime is 9007665889. The next prime is 9007665913. The reversal of 9007665899 is 9985667009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9007665899 - 2⁸ = 9007665643 is a prime.

It is a super-2 number, since 2×9007665899² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9007665829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4503832949 + 4503832950.

It is an arithmetic number, because the mean of its divisors is an integer number (4503832950).

Almost surely, 2^9007665899 is an apocalyptic number.

9007665899 is a deficient number, since it is larger than the sum of its proper divisors (1).

9007665899 is an equidigital number, since it uses as much as digits as its factorization.

9007665899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The square root of 9007665899 is about 94908.7240405222. The cubic root of 9007665899 is about 2080.6742373963.

The spelling of 9007665899 in words is "nine billion, seven million, six hundred sixty-five thousand, eight hundred ninety-nine".