9608121209 has 4 divisors (see below), whose sum is σ = 9696269220. Its totient is φ = 9519973200.

The previous prime is 9608121181. The next prime is 9608121277. The reversal of 9608121209 is 9021218069.

9608121209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2455698025 + 7152423184 = 49555^2 + 84572^2 .

It is a cyclic number.

It is not a de Polignac number, because 9608121209 - 2²⁰ = 9607072633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9608120209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44073842 + ... + 44074059.

It is an arithmetic number, because the mean of its divisors is an integer number (2424067305).

Almost surely, 2^9608121209 is an apocalyptic number.

It is an amenable number.

9608121209 is a deficient number, since it is larger than the sum of its proper divisors (88148011).

9608121209 is a wasteful number, since it uses less digits than its factorization.

9608121209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88148010.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 9608121209 is about 98021.0243213159. The cubic root of 9608121209 is about 2125.9162800260.

The spelling of 9608121209 in words is "nine billion, six hundred eight million, one hundred twenty-one thousand, two hundred nine".