28540756033 has 2 divisors, whose sum is σ = 28540756034. Its totient is φ = 28540756032.

The previous prime is 28540756031. The next prime is 28540756093. The reversal of 28540756033 is 33065704582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22871117824 + 5669638209 = 151232^2 + 75297^2 .

It is a cyclic number.

It is not a de Polignac number, because 28540756033 - 2¹ = 28540756031 is a prime.

Together with 28540756031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28540756031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14270378016 + 14270378017.

It is an arithmetic number, because the mean of its divisors is an integer number (14270378017).

Almost surely, 2^28540756033 is an apocalyptic number.

It is an amenable number.

28540756033 is a deficient number, since it is larger than the sum of its proper divisors (1).

28540756033 is an equidigital number, since it uses as much as digits as its factorization.

28540756033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 28540756033 in words is "twenty-eight billion, five hundred forty million, seven hundred fifty-six thousand, thirty-three".