517373422493 has 2 divisors, whose sum is σ = 517373422494. Its totient is φ = 517373422492.

The previous prime is 517373422487. The next prime is 517373422499. The reversal of 517373422493 is 394224373715.

It is a balanced prime because it is at equal distance from previous prime (517373422487) and next prime (517373422499).

It can be written as a sum of positive squares in only one way, i.e., 517360841284 + 12581209 = 719278^2 + 3547^2 .

It is a cyclic number.

It is not a de Polignac number, because 517373422493 - 2⁶ = 517373422429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517373422499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258686711246 + 258686711247.

It is an arithmetic number, because the mean of its divisors is an integer number (258686711247).

Almost surely, 2^517373422493 is an apocalyptic number.

It is an amenable number.

517373422493 is a deficient number, since it is larger than the sum of its proper divisors (1).

517373422493 is an equidigital number, since it uses as much as digits as its factorization.

517373422493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 50.

The spelling of 517373422493 in words is "five hundred seventeen billion, three hundred seventy-three million, four hundred twenty-two thousand, four hundred ninety-three".