204044121341189 has 2 divisors, whose sum is σ = 204044121341190. Its totient is φ = 204044121341188.

The previous prime is 204044121341149. The next prime is 204044121341267. The reversal of 204044121341189 is 981143121440402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148910036236900 + 55134085104289 = 12202870^2 + 7425233^2 .

It is a cyclic number.

It is not a de Polignac number, because 204044121341189 - 2³² = 204039826373893 is a prime.

It is a super-2 number, since 2×204044121341189² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204044121341149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102022060670594 + 102022060670595.

It is an arithmetic number, because the mean of its divisors is an integer number (102022060670595).

Almost surely, 2^{204044121341189} is an apocalyptic number.

It is an amenable number.

204044121341189 is a deficient number, since it is larger than the sum of its proper divisors (1).

204044121341189 is an equidigital number, since it uses as much as digits as its factorization.

204044121341189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 204044121341189 in words is "two hundred four trillion, forty-four billion, one hundred twenty-one million, three hundred forty-one thousand, one hundred eighty-nine".