9691040000 has 180 divisors, whose sum is σ = 24841020204. Its totient is φ = 3769344000.

The previous prime is 9691039993. The next prime is 9691040011. The reversal of 9691040000 is 401969.

It can be written as a sum of positive squares in 10 ways, for example, as 8051113984 + 1639926016 = 89728^2 + 40496^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5919182 + ... + 5920818.

Almost surely, 2^9691040000 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 9691040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12420510102).

9691040000 is an abundant number, since it is smaller than the sum of its proper divisors (15149980204).

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

9691040000 is an equidigital number, since it uses as much as digits as its factorization.

9691040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9691040000 is about 98443.0800005770. The cubic root of 9691040000 is about 2132.0143756797.

Adding to 9691040000 its reverse (401969), we get a palindrome (9691441969).

The spelling of 9691040000 in words is "nine billion, six hundred ninety-one million, forty thousand".