Originally Posted by Kain

Um... No it doesnt.

不死 (kanji) or ふし (hiragana) or fushi [hushi] (no/の) is not mortal or immorality
永遠 (kanji) or えいえん (hiragana) or eien (no/の) is everlasting

Both of these can be used in the sense of immortality.

Anyway the closest thing in japanese to Nosferatu is Nosufuratsu (のすふらつ in hiragana or ノスフラツ in katakana) I'm going to assume its suppose to be in Katakana since its a foreign word.