6448394306 has 8 divisors (see below), whose sum is σ = 10181675280. Its totient is φ = 3054502548.

The previous prime is 6448394243. The next prime is 6448394311. The reversal of 6448394306 is 6034938446.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84847256 + ... + 84847331.

It is an arithmetic number, because the mean of its divisors is an integer number (1272709410).

Almost surely, 2^6448394306 is an apocalyptic number.

6448394306 is a deficient number, since it is larger than the sum of its proper divisors (3733280974).

6448394306 is a wasteful number, since it uses less digits than its factorization.

6448394306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169694608.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The square root of 6448394306 is about 80301.8947846189. The cubic root of 6448394306 is about 1861.3035054784.

The spelling of 6448394306 in words is "six billion, four hundred forty-eight million, three hundred ninety-four thousand, three hundred six".