559562457968981 has 2 divisors, whose sum is σ = 559562457968982. Its totient is φ = 559562457968980.

The previous prime is 559562457968933. The next prime is 559562457969017. The reversal of 559562457968981 is 189869754265955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338885758322500 + 220676699646481 = 18408850^2 + 14855191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-559562457968981 is a prime.

It is a super-2 number, since 2×559562457968981² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (559562457968681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279781228984490 + 279781228984491.

It is an arithmetic number, because the mean of its divisors is an integer number (279781228984491).

Almost surely, 2^{559562457968981} is an apocalyptic number.

It is an amenable number.

559562457968981 is a deficient number, since it is larger than the sum of its proper divisors (1).

559562457968981 is an equidigital number, since it uses as much as digits as its factorization.

559562457968981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560000, while the sum is 89.

The spelling of 559562457968981 in words is "five hundred fifty-nine trillion, five hundred sixty-two billion, four hundred fifty-seven million, nine hundred sixty-eight thousand, nine hundred eighty-one".