28041647833 has 2 divisors, whose sum is σ = 28041647834. Its totient is φ = 28041647832.

The previous prime is 28041647831. The next prime is 28041647861. The reversal of 28041647833 is 33874614082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28040507209 + 1140624 = 167453^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 28041647833 - 2¹ = 28041647831 is a prime.

It is a super-3 number, since 3×28041647833³ (a number of 32 digits) contains 333 as substring.

Together with 28041647831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28041647831) 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, 14020823916 + 14020823917.

It is an arithmetic number, because the mean of its divisors is an integer number (14020823917).

Almost surely, 2^28041647833 is an apocalyptic number.

It is an amenable number.

28041647833 is a deficient number, since it is larger than the sum of its proper divisors (1).

28041647833 is an equidigital number, since it uses as much as digits as its factorization.

28041647833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 28041647833 in words is "twenty-eight billion, forty-one million, six hundred forty-seven thousand, eight hundred thirty-three".