6444650564446 has 16 divisors (see below), whose sum is σ = 9892168159104. Its totient is φ = 3147266919384.

The previous prime is 6444650564423. The next prime is 6444650564447.

6444650564446 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444650564447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843711 + ... + 3687973.

It is an arithmetic number, because the mean of its divisors is an integer number (618260509944).

Almost surely, 2^{6444650564446} is an apocalyptic number.

6444650564446 is a deficient number, since it is larger than the sum of its proper divisors (3447517594658).

6444650564446 is a wasteful number, since it uses less digits than its factorization.

6444650564446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870655.

The product of its (nonzero) digits is 132710400, while the sum is 58.

The spelling of 6444650564446 in words is "six trillion, four hundred forty-four billion, six hundred fifty million, five hundred sixty-four thousand, four hundred forty-six".