717670677109 has 2 divisors, whose sum is σ = 717670677110. Its totient is φ = 717670677108.

The previous prime is 717670677047. The next prime is 717670677161. The reversal of 717670677109 is 901776076717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 593280441009 + 124390236100 = 770247^2 + 352690^2 .

It is a cyclic number.

It is not a de Polignac number, because 717670677109 - 2¹¹ = 717670675061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (717670674109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358835338554 + 358835338555.

It is an arithmetic number, because the mean of its divisors is an integer number (358835338555).

Almost surely, 2^717670677109 is an apocalyptic number.

It is an amenable number.

717670677109 is a deficient number, since it is larger than the sum of its proper divisors (1).

717670677109 is an equidigital number, since it uses as much as digits as its factorization.

717670677109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5445468, while the sum is 58.

The spelling of 717670677109 in words is "seven hundred seventeen billion, six hundred seventy million, six hundred seventy-seven thousand, one hundred nine".