6444635343 has 8 divisors (see below), whose sum is σ = 8593290288. Its totient is φ = 4296201984.

The previous prime is 6444635333. The next prime is 6444635357. The reversal of 6444635343 is 3435364446.

It is a happy number.

6444635343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6444635343 - 2⁵ = 6444635311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6444635295 and 6444635304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444635333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32305 + ... + 118037.

It is an arithmetic number, because the mean of its divisors is an integer number (1074161286).

Almost surely, 2^6444635343 is an apocalyptic number.

6444635343 is a deficient number, since it is larger than the sum of its proper divisors (2148654945).

6444635343 is a wasteful number, since it uses less digits than its factorization.

6444635343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110793.

The product of its digits is 1244160, while the sum is 42.

The square root of 6444635343 is about 80278.4861778048. The cubic root of 6444635343 is about 1860.9417652466.

Adding to 6444635343 its reverse (3435364446), we get a palindrome (9879999789).

The spelling of 6444635343 in words is "six billion, four hundred forty-four million, six hundred thirty-five thousand, three hundred forty-three".