9639797241 has 32 divisors (see below), whose sum is σ = 13289609088. Its totient is φ = 6213058560.

The previous prime is 9639797227. The next prime is 9639797291. The reversal of 9639797241 is 1427979369.

It is not a de Polignac number, because 9639797241 - 2⁶ = 9639797177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9639797221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2270881 + ... + 2275121.

It is an arithmetic number, because the mean of its divisors is an integer number (415300284).

Almost surely, 2^9639797241 is an apocalyptic number.

It is an amenable number.

9639797241 is a deficient number, since it is larger than the sum of its proper divisors (3649811847).

9639797241 is a wasteful number, since it uses less digits than its factorization.

9639797241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521.

The product of its digits is 5143824, while the sum is 57.

The square root of 9639797241 is about 98182.4691123624. The cubic root of 9639797241 is about 2128.2499559905.

The spelling of 9639797241 in words is "nine billion, six hundred thirty-nine million, seven hundred ninety-seven thousand, two hundred forty-one".