204411469 has 2 divisors, whose sum is σ = 204411470. Its totient is φ = 204411468.

The previous prime is 204411433. The next prime is 204411479. The reversal of 204411469 is 964114402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154878025 + 49533444 = 12445^2 + 7038^2 .

It is a cyclic number.

It is not a de Polignac number, because 204411469 - 2⁹ = 204410957 is a prime.

It is a super-2 number, since 2×204411469² = 83568097317475922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204411469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204411479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102205734 + 102205735.

It is an arithmetic number, because the mean of its divisors is an integer number (102205735).

Almost surely, 2^204411469 is an apocalyptic number.

It is an amenable number.

204411469 is a deficient number, since it is larger than the sum of its proper divisors (1).

204411469 is an equidigital number, since it uses as much as digits as its factorization.

204411469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 204411469 is about 14297.2538971650. The cubic root of 204411469 is about 589.0720537008.

The spelling of 204411469 in words is "two hundred four million, four hundred eleven thousand, four hundred sixty-nine".