517345427579 has 2 divisors, whose sum is σ = 517345427580. Its totient is φ = 517345427578.

The previous prime is 517345427567. The next prime is 517345427663. The reversal of 517345427579 is 975724543715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 517345427579 - 2⁸ = 517345427323 is a prime.

It is not a weakly prime, because it can be changed into another prime (517345427279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258672713789 + 258672713790.

It is an arithmetic number, because the mean of its divisors is an integer number (258672713790).

Almost surely, 2^517345427579 is an apocalyptic number.

517345427579 is a deficient number, since it is larger than the sum of its proper divisors (1).

517345427579 is an equidigital number, since it uses as much as digits as its factorization.

517345427579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044000, while the sum is 59.

The spelling of 517345427579 in words is "five hundred seventeen billion, three hundred forty-five million, four hundred twenty-seven thousand, five hundred seventy-nine".