9640676567237 has 2 divisors, whose sum is σ = 9640676567238. Its totient is φ = 9640676567236.

The previous prime is 9640676567177. The next prime is 9640676567299. The reversal of 9640676567237 is 7327656760469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5618943125761 + 4021733441476 = 2370431^2 + 2005426^2 .

It is an emirp because it is prime and its reverse (7327656760469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9640676567237 - 2³⁸ = 9365798660293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9640676561237) 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, 4820338283618 + 4820338283619.

It is an arithmetic number, because the mean of its divisors is an integer number (4820338283619).

Almost surely, 2^{9640676567237} is an apocalyptic number.

It is an amenable number.

9640676567237 is a deficient number, since it is larger than the sum of its proper divisors (1).

9640676567237 is an equidigital number, since it uses as much as digits as its factorization.

9640676567237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480090240, while the sum is 68.

The spelling of 9640676567237 in words is "nine trillion, six hundred forty billion, six hundred seventy-six million, five hundred sixty-seven thousand, two hundred thirty-seven".