204004469 has 2 divisors, whose sum is σ = 204004470. Its totient is φ = 204004468.

The previous prime is 204004429. The next prime is 204004511. The reversal of 204004469 is 964400402.

204004469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193571569 + 10432900 = 13913^2 + 3230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204004469 is a prime.

It is a super-2 number, since 2×204004469² = 83235646743943922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204004429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102002234 + 102002235.

It is an arithmetic number, because the mean of its divisors is an integer number (102002235).

Almost surely, 2^204004469 is an apocalyptic number.

It is an amenable number.

204004469 is a deficient number, since it is larger than the sum of its proper divisors (1).

204004469 is an equidigital number, since it uses as much as digits as its factorization.

204004469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 204004469 is about 14283.0133025213. The cubic root of 204004469 is about 588.6808303423.

The spelling of 204004469 in words is "two hundred four million, four thousand, four hundred sixty-nine".