6381843338 has 32 divisors (see below), whose sum is σ = 10398991680. Its totient is φ = 2919859200.

The previous prime is 6381843317. The next prime is 6381843353. The reversal of 6381843338 is 8333481836.

It is a junction number, because it is equal to n+sod(n) for n = 6381843292 and 6381843301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4397513 + ... + 4398963.

It is an arithmetic number, because the mean of its divisors is an integer number (324968490).

Almost surely, 2^6381843338 is an apocalyptic number.

6381843338 is a deficient number, since it is larger than the sum of its proper divisors (4017148342).

6381843338 is a wasteful number, since it uses less digits than its factorization.

6381843338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822.

The product of its digits is 995328, while the sum is 47.

The square root of 6381843338 is about 79886.4402636643. The cubic root of 6381843338 is about 1854.8781254948.

The spelling of 6381843338 in words is "six billion, three hundred eighty-one million, eight hundred forty-three thousand, three hundred thirty-eight".