204044224422109 has 4 divisors (see below), whose sum is σ = 204048630614620. Its totient is φ = 204039818229600.

The previous prime is 204044224422107. The next prime is 204044224422161. The reversal of 204044224422109 is 901224422440402.

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 172024130945209 + 32020093476900 = 13115797^2 + 5658630^2 .

It is a cyclic number.

It is not a de Polignac number, because 204044224422109 - 2¹ = 204044224422107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204044224422107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203026792 + ... + 2203119409.

It is an arithmetic number, because the mean of its divisors is an integer number (51012157653655).

Almost surely, 2^{204044224422109} is an apocalyptic number.

It is an amenable number.

204044224422109 is a deficient number, since it is larger than the sum of its proper divisors (4406192511).

204044224422109 is an equidigital number, since it uses as much as digits as its factorization.

204044224422109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406192510.

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 204044224422109 in words is "two hundred four trillion, forty-four billion, two hundred twenty-four million, four hundred twenty-two thousand, one hundred nine".