3844784345018 has 16 divisors (see below), whose sum is σ = 5770095417576. Its totient is φ = 1921419352320.

The previous prime is 3844784344927. The next prime is 3844784345047. The reversal of 3844784345018 is 8105434874483.

It can be written as a sum of positive squares in 4 ways, for example, as 2942449637449 + 902334707569 = 1715357^2 + 949913^2 .

It is a super-2 number, since 2×3844784345018² (a number of 26 digits) contains 22 as substring.

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, 67803638 + ... + 67860318.

Almost surely, 2^{3844784345018} is an apocalyptic number.

3844784345018 is a deficient number, since it is larger than the sum of its proper divisors (1925311072558).

3844784345018 is a wasteful number, since it uses less digits than its factorization.

3844784345018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73249.

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 3844784345018 in words is "three trillion, eight hundred forty-four billion, seven hundred eighty-four million, three hundred forty-five thousand, eighteen".