9866373305339 has 2 divisors, whose sum is σ = 9866373305340. Its totient is φ = 9866373305338.

The previous prime is 9866373305311. The next prime is 9866373305351. The reversal of 9866373305339 is 9335033736689.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9866373305339 is a prime.

It is not a weakly prime, because it can be changed into another prime (9866373305539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4933186652669 + 4933186652670.

It is an arithmetic number, because the mean of its divisors is an integer number (4933186652670).

Almost surely, 2^{9866373305339} is an apocalyptic number.

9866373305339 is a deficient number, since it is larger than the sum of its proper divisors (1).

9866373305339 is an equidigital number, since it uses as much as digits as its factorization.

9866373305339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 198404640, while the sum is 65.

The spelling of 9866373305339 in words is "nine trillion, eight hundred sixty-six billion, three hundred seventy-three million, three hundred five thousand, three hundred thirty-nine".