9065665609 has 32 divisors (see below), whose sum is σ = 12371708160. Its totient is φ = 6413817600.

The previous prime is 9065665603. The next prime is 9065665627.

It is a happy number.

9065665609 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9065665609 - 2⁷ = 9065665481 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9065665603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13174 + ... + 135295.

It is an arithmetic number, because the mean of its divisors is an integer number (386615880).

Almost surely, 2^9065665609 is an apocalyptic number.

It is an amenable number.

9065665609 is a deficient number, since it is larger than the sum of its proper divisors (3306042551).

9065665609 is a wasteful number, since it uses less digits than its factorization.

9065665609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148561.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The square root of 9065665609 is about 95213.7889646242. The cubic root of 9065665609 is about 2085.1304569807.

The spelling of 9065665609 in words is "nine billion, sixty-five million, six hundred sixty-five thousand, six hundred nine".