6560481817 has 2 divisors, whose sum is σ = 6560481818. Its totient is φ = 6560481816.

The previous prime is 6560481773. The next prime is 6560481821. The reversal of 6560481817 is 7181840656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5055352201 + 1505129616 = 71101^2 + 38796^2 .

It is a cyclic number.

It is not a de Polignac number, because 6560481817 - 2⁷ = 6560481689 is a prime.

It is not a weakly prime, because it can be changed into another prime (6560481517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280240908 + 3280240909.

It is an arithmetic number, because the mean of its divisors is an integer number (3280240909).

Almost surely, 2^6560481817 is an apocalyptic number.

It is an amenable number.

6560481817 is a deficient number, since it is larger than the sum of its proper divisors (1).

6560481817 is an equidigital number, since it uses as much as digits as its factorization.

6560481817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 6560481817 is about 80996.8012763467. The cubic root of 6560481817 is about 1872.0261543977.

The spelling of 6560481817 in words is "six billion, five hundred sixty million, four hundred eighty-one thousand, eight hundred seventeen".