9424640099 has 16 divisors (see below), whose sum is σ = 10817803776. Its totient is φ = 8043235200.

The previous prime is 9424640089. The next prime is 9424640171. The reversal of 9424640099 is 9900464249.

It is a happy number.

It is not a de Polignac number, because 9424640099 - 2⁴ = 9424640083 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9424640009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2547419 + ... + 2551115.

It is an arithmetic number, because the mean of its divisors is an integer number (676112736).

Almost surely, 2^9424640099 is an apocalyptic number.

9424640099 is a deficient number, since it is larger than the sum of its proper divisors (1393163677).

9424640099 is a wasteful number, since it uses less digits than its factorization.

9424640099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 9424640099 is about 97080.5855925890. The cubic root of 9424640099 is about 2112.2967211421.

The spelling of 9424640099 in words is "nine billion, four hundred twenty-four million, six hundred forty thousand, ninety-nine".