517042324137139 has 2 divisors, whose sum is σ = 517042324137140. Its totient is φ = 517042324137138.

The previous prime is 517042324137133. The next prime is 517042324137277. The reversal of 517042324137139 is 931731423240715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 517042324137139 - 2¹¹ = 517042324135091 is a prime.

It is not a weakly prime, because it can be changed into another prime (517042324137133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258521162068569 + 258521162068570.

It is an arithmetic number, because the mean of its divisors is an integer number (258521162068570).

Almost surely, 2^{517042324137139} is an apocalyptic number.

517042324137139 is a deficient number, since it is larger than the sum of its proper divisors (1).

517042324137139 is an equidigital number, since it uses as much as digits as its factorization.

517042324137139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 517042324137139 in words is "five hundred seventeen trillion, forty-two billion, three hundred twenty-four million, one hundred thirty-seven thousand, one hundred thirty-nine".