717920703349 has 2 divisors, whose sum is σ = 717920703350. Its totient is φ = 717920703348.

The previous prime is 717920703343. The next prime is 717920703391. The reversal of 717920703349 is 943307029717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 591487122724 + 126433580625 = 769082^2 + 355575^2 .

It is a cyclic number.

It is not a de Polignac number, because 717920703349 - 2¹³ = 717920695157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 717920703296 and 717920703305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (717920703343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358960351674 + 358960351675.

It is an arithmetic number, because the mean of its divisors is an integer number (358960351675).

Almost surely, 2^717920703349 is an apocalyptic number.

It is an amenable number.

717920703349 is a deficient number, since it is larger than the sum of its proper divisors (1).

717920703349 is an equidigital number, since it uses as much as digits as its factorization.

717920703349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000376, while the sum is 52.

The spelling of 717920703349 in words is "seven hundred seventeen billion, nine hundred twenty million, seven hundred three thousand, three hundred forty-nine".