9768368105609 has 2 divisors, whose sum is σ = 9768368105610. Its totient is φ = 9768368105608.

The previous prime is 9768368105569. The next prime is 9768368105611. The reversal of 9768368105609 is 9065018638679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9295303392400 + 473064713209 = 3048820^2 + 687797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9768368105609 is a prime.

Together with 9768368105611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9768368105669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4884184052804 + 4884184052805.

It is an arithmetic number, because the mean of its divisors is an integer number (4884184052805).

Almost surely, 2^{9768368105609} is an apocalyptic number.

It is an amenable number.

9768368105609 is a deficient number, since it is larger than the sum of its proper divisors (1).

9768368105609 is an equidigital number, since it uses as much as digits as its factorization.

9768368105609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 9768368105609 in words is "nine trillion, seven hundred sixty-eight billion, three hundred sixty-eight million, one hundred five thousand, six hundred nine".