9623820099 has 4 divisors (see below), whose sum is σ = 12831760136. Its totient is φ = 6415880064.

The previous prime is 9623820091. The next prime is 9623820113. The reversal of 9623820099 is 9900283269.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9623820099 - 2³ = 9623820091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9623820091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603970014 + ... + 1603970019.

It is an arithmetic number, because the mean of its divisors is an integer number (3207940034).

Almost surely, 2^9623820099 is an apocalyptic number.

9623820099 is a deficient number, since it is larger than the sum of its proper divisors (3207940037).

9623820099 is a wasteful number, since it uses less digits than its factorization.

9623820099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207940036.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 9623820099 is about 98101.0708351341. The cubic root of 9623820099 is about 2127.0735081839.

The spelling of 9623820099 in words is "nine billion, six hundred twenty-three million, eight hundred twenty thousand, ninety-nine".