\[\boxed{\mathbf{163}.}\]
\[1)\ 364 = 2^{2} \cdot 7 \cdot 13;\ \ \ \]
\[495 = 3^{2} \cdot 5 \cdot 11\]
\[НОД(364;495) = 1\]
\[Взаимно\ простые.\]
\[2)\ 380 = 2^{2} \cdot 5 \cdot 19;\ \ \ \ \]
\[399 = 3 \cdot 7 \cdot 19\]
\[НОД(380;399) = 19\]
\[Не\ взаимно\ простые.\]