204444813 has 8 divisors (see below), whose sum is σ = 272808448. Its totient is φ = 136188864.

The previous prime is 204444787. The next prime is 204444841. The reversal of 204444813 is 318444402.

204444813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204444813 - 2¹³ = 204436621 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 (204444893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22381 + ... + 30162.

It is an arithmetic number, because the mean of its divisors is an integer number (34101056).

Almost surely, 2^204444813 is an apocalyptic number.

It is an amenable number.

204444813 is a deficient number, since it is larger than the sum of its proper divisors (68363635).

204444813 is a wasteful number, since it uses less digits than its factorization.

204444813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53843.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 204444813 is about 14298.4199476725. The cubic root of 204444813 is about 589.1040821559.

The spelling of 204444813 in words is "two hundred four million, four hundred forty-four thousand, eight hundred thirteen".