6444046979 has 8 divisors (see below), whose sum is σ = 6824804688. Its totient is φ = 6063477760.

The previous prime is 6444046969. The next prime is 6444046981. The reversal of 6444046979 is 9796404446.

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

It is a cyclic number.

It is not a de Polignac number, because 6444046979 - 2⁴ = 6444046963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6444046979.

It is not an unprimeable number, because it can be changed into a prime (6444046909) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26579 + ... + 116595.

It is an arithmetic number, because the mean of its divisors is an integer number (853100586).

Almost surely, 2^6444046979 is an apocalyptic number.

6444046979 is a deficient number, since it is larger than the sum of its proper divisors (380757709).

6444046979 is a wasteful number, since it uses less digits than its factorization.

6444046979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94245.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The square root of 6444046979 is about 80274.8215756348. The cubic root of 6444046979 is about 1860.8851318658.

The spelling of 6444046979 in words is "six billion, four hundred forty-four million, forty-six thousand, nine hundred seventy-nine".