28568343061 has 2 divisors, whose sum is σ = 28568343062. Its totient is φ = 28568343060.

The previous prime is 28568343047. The next prime is 28568343113. The reversal of 28568343061 is 16034386582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22535714161 + 6032628900 = 150119^2 + 77670^2 .

It is a cyclic number.

It is not a de Polignac number, because 28568343061 - 2⁵ = 28568343029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28568343161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14284171530 + 14284171531.

It is an arithmetic number, because the mean of its divisors is an integer number (14284171531).

Almost surely, 2^28568343061 is an apocalyptic number.

It is an amenable number.

28568343061 is a deficient number, since it is larger than the sum of its proper divisors (1).

28568343061 is an equidigital number, since it uses as much as digits as its factorization.

28568343061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 28568343061 in words is "twenty-eight billion, five hundred sixty-eight million, three hundred forty-three thousand, sixty-one".