9699755472 has 240 divisors, whose sum is σ = 30537831168. Its totient is φ = 2848849920.

The previous prime is 9699755459. The next prime is 9699755473. The reversal of 9699755472 is 2745579969.

9699755472 is a `hidden beast` number, since 9 + 6 + 9 + 9 + 7 + 554 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9699755473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8412048 + ... + 8413200.

Almost surely, 2^9699755472 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 9699755472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15268915584).

9699755472 is an abundant number, since it is smaller than the sum of its proper divisors (20838075696).

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

9699755472 is a wasteful number, since it uses less digits than its factorization.

9699755472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1329 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 63.

The square root of 9699755472 is about 98487.3366073020. The cubic root of 9699755472 is about 2132.6533144676.

The spelling of 9699755472 in words is "nine billion, six hundred ninety-nine million, seven hundred fifty-five thousand, four hundred seventy-two".