9917438099 has 8 divisors (see below), whose sum is σ = 9931481280. Its totient is φ = 9903407976.

The previous prime is 9917438081. The next prime is 9917438101. The reversal of 9917438099 is 9908347199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9917438099 - 2³² = 5622470803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9917438029) 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 7 ways as a sum of consecutive naturals, for example, 3904772 + ... + 3907310.

It is an arithmetic number, because the mean of its divisors is an integer number (1241435160).

Almost surely, 2^9917438099 is an apocalyptic number.

9917438099 is a deficient number, since it is larger than the sum of its proper divisors (14043181).

9917438099 is a wasteful number, since it uses less digits than its factorization.

9917438099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The square root of 9917438099 is about 99586.3349009291. The cubic root of 9917438099 is about 2148.4891566159.

The spelling of 9917438099 in words is "nine billion, nine hundred seventeen million, four hundred thirty-eight thousand, ninety-nine".