9666768253 has 2 divisors, whose sum is σ = 9666768254. Its totient is φ = 9666768252.

The previous prime is 9666768247. The next prime is 9666768289. The reversal of 9666768253 is 3528676669.

It is a happy number.

9666768253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9489292569 + 177475684 = 97413^2 + 13322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9666768253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9666768203) 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, 4833384126 + 4833384127.

It is an arithmetic number, because the mean of its divisors is an integer number (4833384127).

Almost surely, 2^9666768253 is an apocalyptic number.

It is an amenable number.

9666768253 is a deficient number, since it is larger than the sum of its proper divisors (1).

9666768253 is an equidigital number, since it uses as much as digits as its factorization.

9666768253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 58.

The square root of 9666768253 is about 98319.7246385485. The cubic root of 9666768253 is about 2130.2329715713.

The spelling of 9666768253 in words is "nine billion, six hundred sixty-six million, seven hundred sixty-eight thousand, two hundred fifty-three".