9609615539 has 2 divisors, whose sum is σ = 9609615540. Its totient is φ = 9609615538.

The previous prime is 9609615473. The next prime is 9609615557. The reversal of 9609615539 is 9355169069.

9609615539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9355169069) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9609615539 - 2⁸ = 9609615283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9609615139) 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 as a sum of consecutive naturals, namely, 4804807769 + 4804807770.

It is an arithmetic number, because the mean of its divisors is an integer number (4804807770).

Almost surely, 2^9609615539 is an apocalyptic number.

9609615539 is a deficient number, since it is larger than the sum of its proper divisors (1).

9609615539 is an equidigital number, since it uses as much as digits as its factorization.

9609615539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1968300, while the sum is 53.

The square root of 9609615539 is about 98028.6465223304. The cubic root of 9609615539 is about 2126.0264873436.

The spelling of 9609615539 in words is "nine billion, six hundred nine million, six hundred fifteen thousand, five hundred thirty-nine".