28240853219 has 4 divisors (see below), whose sum is σ = 28627714296. Its totient is φ = 27853992144.

The previous prime is 28240853197. The next prime is 28240853257. The reversal of 28240853219 is 91235804282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28240853219 - 2²⁴ = 28224076003 is a prime.

It is a super-2 number, since 2×28240853219² (a number of 22 digits) contains 22 as substring.

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 28240853219.

It is not an unprimeable number, because it can be changed into a prime (28240853119) 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, 193430429 + ... + 193430574.

It is an arithmetic number, because the mean of its divisors is an integer number (7156928574).

Almost surely, 2^28240853219 is an apocalyptic number.

28240853219 is a deficient number, since it is larger than the sum of its proper divisors (386861077).

28240853219 is an equidigital number, since it uses as much as digits as its factorization.

28240853219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386861076.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 28240853219 in words is "twenty-eight billion, two hundred forty million, eight hundred fifty-three thousand, two hundred nineteen".