9438212126 has 24 divisors (see below), whose sum is σ = 16492330296. Its totient is φ = 4039148400.

The previous prime is 9438212111. The next prime is 9438212153. The reversal of 9438212126 is 6212128349.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9438212126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5 + ... + 137391.

It is an arithmetic number, because the mean of its divisors is an integer number (687180429).

Almost surely, 2^9438212126 is an apocalyptic number.

9438212126 is a deficient number, since it is larger than the sum of its proper divisors (7054118170).

9438212126 is a wasteful number, since it uses less digits than its factorization.

9438212126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138104 (or 138097 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 9438212126 is about 97150.4612752817. The cubic root of 9438212126 is about 2113.3101779803.

The spelling of 9438212126 in words is "nine billion, four hundred thirty-eight million, two hundred twelve thousand, one hundred twenty-six".