6214673844 has 72 divisors (see below), whose sum is σ = 15939148680. Its totient is φ = 2041408512.

The previous prime is 6214673831. The next prime is 6214673897. The reversal of 6214673844 is 4483764126.

It can be written as a sum of positive squares in 4 ways, for example, as 198810000 + 6015863844 = 14100^2 + 77562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6214673844.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 999754 + ... + 1005950.

It is an arithmetic number, because the mean of its divisors is an integer number (221377065).

Almost surely, 2^6214673844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6214673844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7969574340).

6214673844 is an abundant number, since it is smaller than the sum of its proper divisors (9724474836).

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

6214673844 is a wasteful number, since it uses less digits than its factorization.

6214673844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609 (or 6604 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 6214673844 is about 78833.2026750150. The cubic root of 6214673844 is about 1838.5387188908.

The spelling of 6214673844 in words is "six billion, two hundred fourteen million, six hundred seventy-three thousand, eight hundred forty-four".