9999347138 has 16 divisors (see below), whose sum is σ = 16378662240. Its totient is φ = 4540687200.

The previous prime is 9999347119. The next prime is 9999347153. The reversal of 9999347138 is 8317439999.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200603 + ... + 245438.

It is an arithmetic number, because the mean of its divisors is an integer number (1023666390).

Almost surely, 2^9999347138 is an apocalyptic number.

9999347138 is a deficient number, since it is larger than the sum of its proper divisors (6379315102).

9999347138 is a wasteful number, since it uses less digits than its factorization.

9999347138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447073.

The product of its digits is 13226976, while the sum is 62.

The square root of 9999347138 is about 99996.7356367197. The cubic root of 9999347138 is about 2154.3878040602.

The spelling of 9999347138 in words is "nine billion, nine hundred ninety-nine million, three hundred forty-seven thousand, one hundred thirty-eight".