9317489893 has 2 divisors, whose sum is σ = 9317489894. Its totient is φ = 9317489892.

The previous prime is 9317489869. The next prime is 9317489899. The reversal of 9317489893 is 3989847139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7694447524 + 1623042369 = 87718^2 + 40287^2 .

It is an emirp because it is prime and its reverse (3989847139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9317489893 - 2²⁵ = 9283935461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9317489899) 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, 4658744946 + 4658744947.

It is an arithmetic number, because the mean of its divisors is an integer number (4658744947).

Almost surely, 2^9317489893 is an apocalyptic number.

It is an amenable number.

9317489893 is a deficient number, since it is larger than the sum of its proper divisors (1).

9317489893 is an equidigital number, since it uses as much as digits as its factorization.

9317489893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The square root of 9317489893 is about 96527.1458865329. The cubic root of 9317489893 is about 2104.2611808281.

The spelling of 9317489893 in words is "nine billion, three hundred seventeen million, four hundred eighty-nine thousand, eight hundred ninety-three".