204843844441 has 4 divisors (see below), whose sum is σ = 208708822692. Its totient is φ = 200978866192.

The previous prime is 204843844427. The next prime is 204843844459. The reversal of 204843844441 is 144448348402.

204843844441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 156104010000 + 48739834441 = 395100^2 + 220771^2 .

It is a cyclic number.

It is not a de Polignac number, because 204843844441 - 2³³ = 196253909849 is a prime.

It is a super-2 number, since 2×204843844441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204843844391 and 204843844400.

It is not an unprimeable number, because it can be changed into a prime (204843944441) 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 in 3 ways as a sum of consecutive naturals, for example, 1932489046 + ... + 1932489151.

It is an arithmetic number, because the mean of its divisors is an integer number (52177205673).

Almost surely, 2^204843844441 is an apocalyptic number.

It is an amenable number.

204843844441 is a deficient number, since it is larger than the sum of its proper divisors (3864978251).

204843844441 is an equidigital number, since it uses as much as digits as its factorization.

204843844441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864978250.

The product of its (nonzero) digits is 1572864, while the sum is 46.

The spelling of 204843844441 in words is "two hundred four billion, eight hundred forty-three million, eight hundred forty-four thousand, four hundred forty-one".