9399009939 has 32 divisors (see below), whose sum is σ = 14598973440. Its totient is φ = 5322508800.

The previous prime is 9399009899. The next prime is 9399009959.

9399009939 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9399009939 - 2⁹ = 9399009427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9399009959) 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 31 ways as a sum of consecutive naturals, for example, 128742 + ... + 188075.

It is an arithmetic number, because the mean of its divisors is an integer number (456217920).

Almost surely, 2^9399009939 is an apocalyptic number.

9399009939 is a deficient number, since it is larger than the sum of its proper divisors (5199963501).

9399009939 is a wasteful number, since it uses less digits than its factorization.

9399009939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316891.

The product of its (nonzero) digits is 4782969, while the sum is 60.

The square root of 9399009939 is about 96948.4911641228. The cubic root of 9399009939 is about 2110.3801969067.

The spelling of 9399009939 in words is "nine billion, three hundred ninety-nine million, nine thousand, nine hundred thirty-nine".