Unlock The Hidden Meaning, Mystery and Mystique of Number 9 Numerologists understand that the number 9 holds an exceptionally wise, spiritual energy. It contains every other number that has come before it (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45, and 4 + 5 = 9). So symbolically, the number 9 is the container for all worldly experiences.