93394356817 has 2 divisors, whose sum is σ = 93394356818. Its totient is φ = 93394356816.

The previous prime is 93394356709. The next prime is 93394356889. The reversal of 93394356817 is 71865349339.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82745974336 + 10648382481 = 287656^2 + 103191^2 .

It is a cyclic number.

It is not a de Polignac number, because 93394356817 - 2¹⁹ = 93393832529 is a prime.

It is a super-2 number, since 2×93394356817² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (93394356017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46697178408 + 46697178409.

It is an arithmetic number, because the mean of its divisors is an integer number (46697178409).

Almost surely, 2^93394356817 is an apocalyptic number.

It is an amenable number.

93394356817 is a deficient number, since it is larger than the sum of its proper divisors (1).

93394356817 is an equidigital number, since it uses as much as digits as its factorization.

93394356817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 58.

The spelling of 93394356817 in words is "ninety-three billion, three hundred ninety-four million, three hundred fifty-six thousand, eight hundred seventeen".