6444444444446 has 16 divisors (see below), whose sum is σ = 9693353679264. Its totient is φ = 3213338406624.

The previous prime is 6444444444437. The next prime is 6444444444479.

6444444444446 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6444444444391 and 6444444444400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875605 + ... + 4050528.

It is an arithmetic number, because the mean of its divisors is an integer number (605834604954).

Almost surely, 2^{6444444444446} is an apocalyptic number.

6444444444446 is a deficient number, since it is larger than the sum of its proper divisors (3248909234818).

6444444444446 is a wasteful number, since it uses less digits than its factorization.

6444444444446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927635.

The product of its digits is 150994944, while the sum is 56.

The spelling of 6444444444446 in words is "six trillion, four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-six".