3858384579944 has 16 divisors (see below), whose sum is σ = 7483935608100. Its totient is φ = 1862668417792.

The previous prime is 3858384579937. The next prime is 3858384579947. The reversal of 3858384579944 is 4499754838583.

It can be written as a sum of positive squares in 2 ways, for example, as 3757665940900 + 100718639044 = 1938470^2 + 317362^2 .

It is not an unprimeable number, because it can be changed into a prime (3858384579947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8315483777 + ... + 8315484240.

Almost surely, 2^{3858384579944} is an apocalyptic number.

It is an amenable number.

3858384579944 is a deficient number, since it is larger than the sum of its proper divisors (3625551028156).

3858384579944 is a wasteful number, since it uses less digits than its factorization.

3858384579944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16630968052 (or 16630968048 counting only the distinct ones).

The product of its digits is 4180377600, while the sum is 77.

The spelling of 3858384579944 in words is "three trillion, eight hundred fifty-eight billion, three hundred eighty-four million, five hundred seventy-nine thousand, nine hundred forty-four".