745560859717 has 2 divisors, whose sum is σ = 745560859718. Its totient is φ = 745560859716.

The previous prime is 745560859663. The next prime is 745560859753. The reversal of 745560859717 is 717958065547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588617321796 + 156943537921 = 767214^2 + 396161^2 .

It is an emirp because it is prime and its reverse (717958065547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745560859717 - 2²³ = 745552471109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745560859817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372780429858 + 372780429859.

It is an arithmetic number, because the mean of its divisors is an integer number (372780429859).

Almost surely, 2^745560859717 is an apocalyptic number.

It is an amenable number.

745560859717 is a deficient number, since it is larger than the sum of its proper divisors (1).

745560859717 is an equidigital number, since it uses as much as digits as its factorization.

745560859717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088000, while the sum is 64.

The spelling of 745560859717 in words is "seven hundred forty-five billion, five hundred sixty million, eight hundred fifty-nine thousand, seven hundred seventeen".