814708073717 has 2 divisors, whose sum is σ = 814708073718. Its totient is φ = 814708073716.

The previous prime is 814708073687. The next prime is 814708073783. The reversal of 814708073717 is 717370807418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490820743396 + 323887330321 = 700586^2 + 569111^2 .

It is a cyclic number.

It is not a de Polignac number, because 814708073717 - 2¹² = 814708069621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814708073317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407354036858 + 407354036859.

It is an arithmetic number, because the mean of its divisors is an integer number (407354036859).

Almost surely, 2^814708073717 is an apocalyptic number.

It is an amenable number.

814708073717 is a deficient number, since it is larger than the sum of its proper divisors (1).

814708073717 is an equidigital number, since it uses as much as digits as its factorization.

814708073717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1843968, while the sum is 53.

The spelling of 814708073717 in words is "eight hundred fourteen billion, seven hundred eight million, seventy-three thousand, seven hundred seventeen".