9659548089 has 15 divisors (see below), whose sum is σ = 14030195465. Its totient is φ = 6404120280.

The previous prime is 9659548061. The next prime is 9659548091. The reversal of 9659548089 is 9808459569.

The square root of 9659548089 is 98283.

It is a perfect power (a square), and thus also a powerful number.

9659548089 is a `hidden beast` number, since 9 + 6 + 5 + 9 + 548 + 0 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9238477689 + 421070400 = 96117^2 + 20520^2 .

It is not a de Polignac number, because 9659548089 - 2¹¹ = 9659546041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9659548049) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 53367579 + ... + 53367759.

Almost surely, 2^9659548089 is an apocalyptic number.

9659548089 is the 98283-rd square number.

9659548089 is the 49142-nd centered octagonal number.

It is an amenable number.

9659548089 is a deficient number, since it is larger than the sum of its proper divisors (4370647376).

9659548089 is an frugal number, since it uses more digits than its factorization.

9659548089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 63.

The cubic root of 9659548089 is about 2129.7024784463.

The spelling of 9659548089 in words is "nine billion, six hundred fifty-nine million, five hundred forty-eight thousand, eighty-nine".