9609615091 has 2 divisors, whose sum is σ = 9609615092. Its totient is φ = 9609615090.

The previous prime is 9609615013. The next prime is 9609615101. The reversal of 9609615091 is 1905169069.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9609615091 - 2¹³ = 9609606899 is a prime.

It is not a weakly prime, because it can be changed into another prime (9609619091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4804807545 + 4804807546.

It is an arithmetic number, because the mean of its divisors is an integer number (4804807546).

Almost surely, 2^9609615091 is an apocalyptic number.

9609615091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9609615091 is an equidigital number, since it uses as much as digits as its factorization.

9609615091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 9609615091 is about 98028.6442372840. The cubic root of 9609615091 is about 2126.0264543051.

The spelling of 9609615091 in words is "nine billion, six hundred nine million, six hundred fifteen thousand, ninety-one".