9843792394193 has 2 divisors, whose sum is σ = 9843792394194. Its totient is φ = 9843792394192.

The previous prime is 9843792394187. The next prime is 9843792394243. The reversal of 9843792394193 is 3914932973489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7700780400784 + 2143011993409 = 2775028^2 + 1463903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9843792394193 is a prime.

It is not a weakly prime, because it can be changed into another prime (9843792394133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4921896197096 + 4921896197097.

It is an arithmetic number, because the mean of its divisors is an integer number (4921896197097).

Almost surely, 2^{9843792394193} is an apocalyptic number.

It is an amenable number.

9843792394193 is a deficient number, since it is larger than the sum of its proper divisors (1).

9843792394193 is an equidigital number, since it uses as much as digits as its factorization.

9843792394193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317447424, while the sum is 71.

The spelling of 9843792394193 in words is "nine trillion, eight hundred forty-three billion, seven hundred ninety-two million, three hundred ninety-four thousand, one hundred ninety-three".