9749080656 has 360 divisors, whose sum is σ = 33375363840. Its totient is φ = 2600953344.

The previous prime is 9749080619. The next prime is 9749080667. The reversal of 9749080656 is 6560809479.

9749080656 is a `hidden beast` number, since 97 + 490 + 8 + 0 + 65 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25061710 + ... + 25062098.

It is an arithmetic number, because the mean of its divisors is an integer number (92709344).

Almost surely, 2^9749080656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9749080656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16687681920).

9749080656 is an abundant number, since it is smaller than the sum of its proper divisors (23626283184).

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

9749080656 is a wasteful number, since it uses less digits than its factorization.

9749080656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 9749080656 is about 98737.4329016103. The cubic root of 9749080656 is about 2136.2621927021.

The spelling of 9749080656 in words is "nine billion, seven hundred forty-nine million, eighty thousand, six hundred fifty-six".