9668709089 has 4 divisors (see below), whose sum is σ = 10412455956. Its totient is φ = 8924962224.

The previous prime is 9668709079. The next prime is 9668709091. The reversal of 9668709089 is 9809078669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9809078669 = 13 ⋅754544513.

It can be written as a sum of positive squares in 2 ways, for example, as 456548689 + 9212160400 = 21367^2 + 95980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9668709089 is a prime.

It is a super-2 number, since 2×9668709089² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9668709059) 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 3 ways as a sum of consecutive naturals, for example, 371873414 + ... + 371873439.

It is an arithmetic number, because the mean of its divisors is an integer number (2603113989).

Almost surely, 2^9668709089 is an apocalyptic number.

It is an amenable number.

9668709089 is a deficient number, since it is larger than the sum of its proper divisors (743746867).

9668709089 is a wasteful number, since it uses less digits than its factorization.

9668709089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743746866.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The square root of 9668709089 is about 98329.5941667614. The cubic root of 9668709089 is about 2130.3755271827.

The spelling of 9668709089 in words is "nine billion, six hundred sixty-eight million, seven hundred nine thousand, eighty-nine".