4688534898+36899544

To calculate \( 4688534898 + 36899544 \):

1. Align the numbers:

  4688534898
+    36899544
--------------

2. Add them starting from the rightmost side:

     4688534898
    +  036899544
    ______________
     4725424442

So, \( 4688534898 + 36899544 = 4725424442 \).