Can I use an HP charger on my Dell Inspiron N4010?

My laptop has
19.5V
3.34A/ 4.62A (what does this mean?)

The HP Charger had

Input :
100-240V
1.6A
50-60Hz

Output:
18.5V
3.5A

Can I use this charger on my laptop without damaging the laptop or the charger? Is it safe To use without messing up my moms charger?