522140367739873 has 2 divisors, whose sum is σ = 522140367739874. Its totient is φ = 522140367739872.

The previous prime is 522140367739853. The next prime is 522140367740077. The reversal of 522140367739873 is 378937763041225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276674919068304 + 245465448671569 = 16633548^2 + 15667337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522140367739873 is a prime.

It is a super-3 number, since 3×522140367739873³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 522140367739799 and 522140367739808.

It is not a weakly prime, because it can be changed into another prime (522140367739853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261070183869936 + 261070183869937.

It is an arithmetic number, because the mean of its divisors is an integer number (261070183869937).

It is a 2-persistent number, because it is pandigital, and so is 2⋅522140367739873 = 1044280735479746, but 3⋅522140367739873 = 1566421103219619 is not.

Almost surely, 2^{522140367739873} is an apocalyptic number.

It is an amenable number.

522140367739873 is a deficient number, since it is larger than the sum of its proper divisors (1).

522140367739873 is an equidigital number, since it uses as much as digits as its factorization.

522140367739873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320060160, while the sum is 67.

The spelling of 522140367739873 in words is "five hundred twenty-two trillion, one hundred forty billion, three hundred sixty-seven million, seven hundred thirty-nine thousand, eight hundred seventy-three".