9557716609 has 16 divisors (see below), whose sum is σ = 11505587200. Its totient is φ = 7928051040.

The previous prime is 9557716573. The next prime is 9557716613. The reversal of 9557716609 is 9066177559.

It is a happy number.

9557716609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9557716609 - 2¹⁹ = 9557192321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9557716609.

It is not an unprimeable number, because it can be changed into a prime (9557716109) 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 15 ways as a sum of consecutive naturals, for example, 438804 + ... + 460069.

It is an arithmetic number, because the mean of its divisors is an integer number (719099200).

Almost surely, 2^9557716609 is an apocalyptic number.

It is an amenable number.

9557716609 is a deficient number, since it is larger than the sum of its proper divisors (1947870591).

9557716609 is an equidigital number, since it uses as much as digits as its factorization.

9557716609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898925 (or 898911 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 55.

The square root of 9557716609 is about 97763.5750624945. The cubic root of 9557716609 is about 2122.1922120577.

The spelling of 9557716609 in words is "nine billion, five hundred fifty-seven million, seven hundred sixteen thousand, six hundred nine".