9309021893713 has 2 divisors, whose sum is σ = 9309021893714. Its totient is φ = 9309021893712.

The previous prime is 9309021893687. The next prime is 9309021893779. The reversal of 9309021893713 is 3173981209039.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5486594153104 + 3822427740609 = 2342348^2 + 1955103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9309021893713 is a prime.

It is not a weakly prime, because it can be changed into another prime (9309021893113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4654510946856 + 4654510946857.

It is an arithmetic number, because the mean of its divisors is an integer number (4654510946857).

Almost surely, 2^{9309021893713} is an apocalyptic number.

It is an amenable number.

9309021893713 is a deficient number, since it is larger than the sum of its proper divisors (1).

9309021893713 is an equidigital number, since it uses as much as digits as its factorization.

9309021893713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 9309021893713 in words is "nine trillion, three hundred nine billion, twenty-one million, eight hundred ninety-three thousand, seven hundred thirteen".