56816246273 has 2 divisors, whose sum is σ = 56816246274. Its totient is φ = 56816246272.

The previous prime is 56816246237. The next prime is 56816246281. The reversal of 56816246273 is 37264261865.

It is a happy number.

Together with previous prime (56816246237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42391515664 + 14424730609 = 205892^2 + 120103^2 .

It is a cyclic number.

It is not a de Polignac number, because 56816246273 - 2¹⁰ = 56816245249 is a prime.

It is not a weakly prime, because it can be changed into another prime (56816246203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28408123136 + 28408123137.

It is an arithmetic number, because the mean of its divisors is an integer number (28408123137).

Almost surely, 2^56816246273 is an apocalyptic number.

It is an amenable number.

56816246273 is a deficient number, since it is larger than the sum of its proper divisors (1).

56816246273 is an equidigital number, since it uses as much as digits as its factorization.

56816246273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The spelling of 56816246273 in words is "fifty-six billion, eight hundred sixteen million, two hundred forty-six thousand, two hundred seventy-three".