204404422273 has 2 divisors, whose sum is σ = 204404422274. Its totient is φ = 204404422272.

The previous prime is 204404422199. The next prime is 204404422283. The reversal of 204404422273 is 372224404402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204297672049 + 106750224 = 451993^2 + 10332^2 .

It is a cyclic number.

It is not a de Polignac number, because 204404422273 - 2⁹ = 204404421761 is a prime.

It is not a weakly prime, because it can be changed into another prime (204404422283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102202211136 + 102202211137.

It is an arithmetic number, because the mean of its divisors is an integer number (102202211137).

Almost surely, 2^204404422273 is an apocalyptic number.

It is an amenable number.

204404422273 is a deficient number, since it is larger than the sum of its proper divisors (1).

204404422273 is an equidigital number, since it uses as much as digits as its factorization.

204404422273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 34.

Adding to 204404422273 its reverse (372224404402), we get a palindrome (576628826675).

The spelling of 204404422273 in words is "two hundred four billion, four hundred four million, four hundred twenty-two thousand, two hundred seventy-three".