9243243416009 has 2 divisors, whose sum is σ = 9243243416010. Its totient is φ = 9243243416008.

The previous prime is 9243243415961. The next prime is 9243243416021. The reversal of 9243243416009 is 9006143423429.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9013805290000 + 229438126009 = 3002300^2 + 478997^2 .

It is a cyclic number.

It is not a de Polignac number, because 9243243416009 - 2²⁸ = 9242974980553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9243243416059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4621621708004 + 4621621708005.

It is an arithmetic number, because the mean of its divisors is an integer number (4621621708005).

Almost surely, 2^{9243243416009} is an apocalyptic number.

It is an amenable number.

9243243416009 is a deficient number, since it is larger than the sum of its proper divisors (1).

9243243416009 is an equidigital number, since it uses as much as digits as its factorization.

9243243416009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 9243243416009 in words is "nine trillion, two hundred forty-three billion, two hundred forty-three million, four hundred sixteen thousand, nine".