9611995730 has 16 divisors (see below), whose sum is σ = 17628038424. Its totient is φ = 3772254720.

The previous prime is 9611995699. The next prime is 9611995733. The reversal of 9611995730 is 375991169.

It can be written as a sum of positive squares in 4 ways, for example, as 8526490921 + 1085504809 = 92339^2 + 32947^2 .

It is not an unprimeable number, because it can be changed into a prime (9611995733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9067391 + ... + 9068450.

Almost surely, 2^9611995730 is an apocalyptic number.

9611995730 is a deficient number, since it is larger than the sum of its proper divisors (8016042694).

9611995730 is a wasteful number, since it uses less digits than its factorization.

9611995730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18135901.

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 9611995730 is about 98040.7860535604. The cubic root of 9611995730 is about 2126.2020036047.

The spelling of 9611995730 in words is "nine billion, six hundred eleven million, nine hundred ninety-five thousand, seven hundred thirty".