6384489850 has 12 divisors (see below), whose sum is σ = 11875151214. Its totient is φ = 2553795920.

The previous prime is 6384489841. The next prime is 6384489857. The reversal of 6384489850 is 589844836.

It can be written as a sum of positive squares in 3 ways, for example, as 5883043401 + 501446449 = 76701^2 + 22393^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6384489791 and 6384489800.

It is not an unprimeable number, because it can be changed into a prime (6384489857) 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 5 ways as a sum of consecutive naturals, for example, 63844849 + ... + 63844948.

Almost surely, 2^6384489850 is an apocalyptic number.

6384489850 is a deficient number, since it is larger than the sum of its proper divisors (5490661364).

6384489850 is a wasteful number, since it uses less digits than its factorization.

6384489850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127689809 (or 127689804 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The square root of 6384489850 is about 79903.0027595960. The cubic root of 6384489850 is about 1855.1344923230.

The spelling of 6384489850 in words is "six billion, three hundred eighty-four million, four hundred eighty-nine thousand, eight hundred fifty".