9939339399 has 16 divisors (see below), whose sum is σ = 14458913280. Its totient is φ = 6023136960.

The previous prime is 9939339367. The next prime is 9939339409.

9939339399 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9939339399 - 2⁵ = 9939339367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9939339499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469362 + ... + 490080.

It is an arithmetic number, because the mean of its divisors is an integer number (903682080).

Almost surely, 2^9939339399 is an apocalyptic number.

9939339399 is a deficient number, since it is larger than the sum of its proper divisors (4519573881).

9939339399 is a wasteful number, since it uses less digits than its factorization.

9939339399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35270.

The product of its digits is 43046721, while the sum is 66.

The square root of 9939339399 is about 99696.2356310408. The cubic root of 9939339399 is about 2150.0695415762.

The spelling of 9939339399 in words is "nine billion, nine hundred thirty-nine million, three hundred thirty-nine thousand, three hundred ninety-nine".