28064000243 has 2 divisors, whose sum is σ = 28064000244. Its totient is φ = 28064000242.

The previous prime is 28064000221. The next prime is 28064000291. The reversal of 28064000243 is 34200046082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28064000243 - 2⁸ = 28063999987 is a prime.

It is not a weakly prime, because it can be changed into another prime (28064000443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14032000121 + 14032000122.

It is an arithmetic number, because the mean of its divisors is an integer number (14032000122).

Almost surely, 2^28064000243 is an apocalyptic number.

28064000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28064000243 is an equidigital number, since it uses as much as digits as its factorization.

28064000243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 28064000243 in words is "twenty-eight billion, sixty-four million, two hundred forty-three", and thus it is an aban number.