17316691393 has 2 divisors, whose sum is σ = 17316691394. Its totient is φ = 17316691392.

The previous prime is 17316691373. The next prime is 17316691411. The reversal of 17316691393 is 39319661371.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10446270849 + 6870420544 = 102207^2 + 82888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17316691393 is a prime.

It is not a weakly prime, because it can be changed into another prime (17316691303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8658345696 + 8658345697.

It is an arithmetic number, because the mean of its divisors is an integer number (8658345697).

Almost surely, 2^17316691393 is an apocalyptic number.

It is an amenable number.

17316691393 is a deficient number, since it is larger than the sum of its proper divisors (1).

17316691393 is an equidigital number, since it uses as much as digits as its factorization.

17316691393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 49.

The spelling of 17316691393 in words is "seventeen billion, three hundred sixteen million, six hundred ninety-one thousand, three hundred ninety-three".