347713256717 has 2 divisors, whose sum is σ = 347713256718. Its totient is φ = 347713256716.

The previous prime is 347713256689. The next prime is 347713256743. The reversal of 347713256717 is 717652317743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245917801801 + 101795454916 = 495901^2 + 319054^2 .

It is an emirp because it is prime and its reverse (717652317743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347713256717 - 2²⁶ = 347646147853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347713256747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173856628358 + 173856628359.

It is an arithmetic number, because the mean of its divisors is an integer number (173856628359).

Almost surely, 2^347713256717 is an apocalyptic number.

It is an amenable number.

347713256717 is a deficient number, since it is larger than the sum of its proper divisors (1).

347713256717 is an equidigital number, since it uses as much as digits as its factorization.

347713256717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5186160, while the sum is 53.

The spelling of 347713256717 in words is "three hundred forty-seven billion, seven hundred thirteen million, two hundred fifty-six thousand, seven hundred seventeen".