To divide \( 3639 \sqrt{913} \), we should clarify what it is being divided by. If we're dividing by another number or expression, please provide that to give a complete answer.
If the question is simply to express \( 3639 \sqrt{913} \) in a specific form (not divided), you can keep it as is unless you need simplification or any particular operation.
Let me know if you want to divide it by a specific quantity or if you need further assistance!