17319647009393 has 2 divisors, whose sum is σ = 17319647009394. Its totient is φ = 17319647009392.

The previous prime is 17319647009239. The next prime is 17319647009513. The reversal of 17319647009393 is 39390074691371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17319647009344 + 49 = 4161688^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 17319647009393 - 2²² = 17319642815089 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 (17319647005393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8659823504696 + 8659823504697.

It is an arithmetic number, because the mean of its divisors is an integer number (8659823504697).

Almost surely, 2^{17319647009393} is an apocalyptic number.

It is an amenable number.

17319647009393 is a deficient number, since it is larger than the sum of its proper divisors (1).

17319647009393 is an equidigital number, since it uses as much as digits as its factorization.

17319647009393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23147208, while the sum is 62.

The spelling of 17319647009393 in words is "seventeen trillion, three hundred nineteen billion, six hundred forty-seven million, nine thousand, three hundred ninety-three".