522397918487 has 2 divisors, whose sum is σ = 522397918488. Its totient is φ = 522397918486.

The previous prime is 522397918439. The next prime is 522397918507. The reversal of 522397918487 is 784819793225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522397918487 - 2¹⁰ = 522397917463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522397918417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261198959243 + 261198959244.

It is an arithmetic number, because the mean of its divisors is an integer number (261198959244).

Almost surely, 2^522397918487 is an apocalyptic number.

522397918487 is a deficient number, since it is larger than the sum of its proper divisors (1).

522397918487 is an equidigital number, since it uses as much as digits as its factorization.

522397918487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 65.

The spelling of 522397918487 in words is "five hundred twenty-two billion, three hundred ninety-seven million, nine hundred eighteen thousand, four hundred eighty-seven".