6339213844 has 36 divisors (see below), whose sum is σ = 11960611936. Its totient is φ = 2938598784.

The previous prime is 6339213833. The next prime is 6339213847. The reversal of 6339213844 is 4483129336.

It is a super-2 number, since 2×6339213844² = 80371264319922512672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6339213844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6339213847) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 36529 + ... + 118375.

Almost surely, 2^6339213844 is an apocalyptic number.

It is an amenable number.

6339213844 is a deficient number, since it is larger than the sum of its proper divisors (5621398092).

6339213844 is a wasteful number, since it uses less digits than its factorization.

6339213844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81952 (or 81933 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 6339213844 is about 79619.1801263992. The cubic root of 6339213844 is about 1850.7388180295.

The spelling of 6339213844 in words is "six billion, three hundred thirty-nine million, two hundred thirteen thousand, eight hundred forty-four".