6444848779 has 8 divisors (see below), whose sum is σ = 6456469712. Its totient is φ = 6433240320.

The previous prime is 6444848749. The next prime is 6444848783. The reversal of 6444848779 is 9778484446.

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 6444848779 - 2⁵ = 6444848747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6444848749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933144 + ... + 1936474.

It is an arithmetic number, because the mean of its divisors is an integer number (807058714).

Almost surely, 2^6444848779 is an apocalyptic number.

6444848779 is a deficient number, since it is larger than the sum of its proper divisors (11620933).

6444848779 is a wasteful number, since it uses less digits than its factorization.

6444848779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237.

The product of its digits is 43352064, while the sum is 61.

The square root of 6444848779 is about 80279.8155142375. The cubic root of 6444848779 is about 1860.9623088233.

The spelling of 6444848779 in words is "six billion, four hundred forty-four million, eight hundred forty-eight thousand, seven hundred seventy-nine".