28388113586243 has 2 divisors, whose sum is σ = 28388113586244. Its totient is φ = 28388113586242.

The previous prime is 28388113586233. The next prime is 28388113586299. The reversal of 28388113586243 is 34268531188382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28388113586243 - 2⁶ = 28388113586179 is a prime.

It is not a weakly prime, because it can be changed into another prime (28388113586213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14194056793121 + 14194056793122.

It is an arithmetic number, because the mean of its divisors is an integer number (14194056793122).

Almost surely, 2^{28388113586243} is an apocalyptic number.

28388113586243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28388113586243 is an equidigital number, since it uses as much as digits as its factorization.

28388113586243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53084160, while the sum is 62.

The spelling of 28388113586243 in words is "twenty-eight trillion, three hundred eighty-eight billion, one hundred thirteen million, five hundred eighty-six thousand, two hundred forty-three".