617738343156713 has 2 divisors, whose sum is σ = 617738343156714. Its totient is φ = 617738343156712.

The previous prime is 617738343156703. The next prime is 617738343156761. The reversal of 617738343156713 is 317651343837716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388841051216809 + 228897291939904 = 19719053^2 + 15129352^2 .

It is a cyclic number.

It is not a de Polignac number, because 617738343156713 - 2¹² = 617738343152617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 617738343156713.

It is not a weakly prime, because it can be changed into another prime (617738343156703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308869171578356 + 308869171578357.

It is an arithmetic number, because the mean of its divisors is an integer number (308869171578357).

Almost surely, 2^{617738343156713} is an apocalyptic number.

It is an amenable number.

617738343156713 is a deficient number, since it is larger than the sum of its proper divisors (1).

617738343156713 is an equidigital number, since it uses as much as digits as its factorization.

617738343156713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160030080, while the sum is 65.

The spelling of 617738343156713 in words is "six hundred seventeen trillion, seven hundred thirty-eight billion, three hundred forty-three million, one hundred fifty-six thousand, seven hundred thirteen".