28323275241 has 4 divisors (see below), whose sum is σ = 37764366992. Its totient is φ = 18882183492.

The previous prime is 28323275213. The next prime is 28323275251. The reversal of 28323275241 is 14257232382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28323275241 - 2⁹ = 28323274729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28323275241.

It is not an unprimeable number, because it can be changed into a prime (28323275251) 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 in 3 ways as a sum of consecutive naturals, for example, 4720545871 + ... + 4720545876.

It is an arithmetic number, because the mean of its divisors is an integer number (9441091748).

Almost surely, 2^28323275241 is an apocalyptic number.

It is an amenable number.

28323275241 is a deficient number, since it is larger than the sum of its proper divisors (9441091751).

28323275241 is an equidigital number, since it uses as much as digits as its factorization.

28323275241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441091750.

The product of its digits is 161280, while the sum is 39.

The spelling of 28323275241 in words is "twenty-eight billion, three hundred twenty-three million, two hundred seventy-five thousand, two hundred forty-one".