12438496338 has 64 divisors (see below), whose sum is σ = 26462177280. Its totient is φ = 3886790400.

The previous prime is 12438496331. The next prime is 12438496381. The reversal of 12438496338 is 83369483421.

It is not an unprimeable number, because it can be changed into a prime (12438496331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4586803 + ... + 4589513.

It is an arithmetic number, because the mean of its divisors is an integer number (413471520).

Almost surely, 2^12438496338 is an apocalyptic number.

12438496338 is an abundant number, since it is smaller than the sum of its proper divisors (14023680942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12438496338 is a wasteful number, since it uses less digits than its factorization.

12438496338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143.

The product of its digits is 2985984, while the sum is 51.

The spelling of 12438496338 in words is "twelve billion, four hundred thirty-eight million, four hundred ninety-six thousand, three hundred thirty-eight".