28568343113 has 2 divisors, whose sum is σ = 28568343114. Its totient is φ = 28568343112.

The previous prime is 28568343061. The next prime is 28568343121. The reversal of 28568343113 is 31134386582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28565056144 + 3286969 = 169012^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 28568343113 - 2¹² = 28568339017 is a prime.

It is not a weakly prime, because it can be changed into another prime (28568343173) 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, 14284171556 + 14284171557.

It is an arithmetic number, because the mean of its divisors is an integer number (14284171557).

Almost surely, 2^28568343113 is an apocalyptic number.

It is an amenable number.

28568343113 is a deficient number, since it is larger than the sum of its proper divisors (1).

28568343113 is an equidigital number, since it uses as much as digits as its factorization.

28568343113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 44.

The spelling of 28568343113 in words is "twenty-eight billion, five hundred sixty-eight million, three hundred forty-three thousand, one hundred thirteen".