9949532786944 has 81 divisors (see below), whose sum is σ = 20020135841797. Its totient is φ = 4935022364672.

The previous prime is 9949532786933. The next prime is 9949532786953. The reversal of 9949532786944 is 4496872359499.

The square root of 9949532786944 is 3154288.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5844402950400 + 4105129836544 = 2417520^2 + 2026112^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6914198577 + ... + 6914200015.

Almost surely, 2^{9949532786944} is an apocalyptic number.

9949532786944 is the 3154288-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9949532786944

9949532786944 is an abundant number, since it is smaller than the sum of its proper divisors (10070603054853).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9949532786944 is an frugal number, since it uses more digits than its factorization.

9949532786944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 1578 counting only the distinct ones).

The product of its digits is 4232632320, while the sum is 79.

The spelling of 9949532786944 in words is "nine trillion, nine hundred forty-nine billion, five hundred thirty-two million, seven hundred eighty-six thousand, nine hundred forty-four".