204044444124173 has 2 divisors, whose sum is σ = 204044444124174. Its totient is φ = 204044444124172.

The previous prime is 204044444124083. The next prime is 204044444124187. The reversal of 204044444124173 is 371421444440402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203462209504324 + 582234619849 = 14264018^2 + 763043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204044444124173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204044444184173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102022222062086 + 102022222062087.

It is an arithmetic number, because the mean of its divisors is an integer number (102022222062087).

Almost surely, 2^{204044444124173} is an apocalyptic number.

It is an amenable number.

204044444124173 is a deficient number, since it is larger than the sum of its proper divisors (1).

204044444124173 is an equidigital number, since it uses as much as digits as its factorization.

204044444124173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1376256, while the sum is 44.

Adding to 204044444124173 its reverse (371421444440402), we get a palindrome (575465888564575).

The spelling of 204044444124173 in words is "two hundred four trillion, forty-four billion, four hundred forty-four million, one hundred twenty-four thousand, one hundred seventy-three".