1444564654441 has 16 divisors (see below), whose sum is σ = 1477127792448. Its totient is φ = 1412375544000.

The previous prime is 1444564654391. The next prime is 1444564654471.

It is a happy number.

1444564654441 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1444564654441 - 2¹⁵ = 1444564621673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444564654471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18579850 + ... + 18657436.

It is an arithmetic number, because the mean of its divisors is an integer number (92320487028).

Almost surely, 2^{1444564654441} is an apocalyptic number.

It is an amenable number.

1444564654441 is a deficient number, since it is larger than the sum of its proper divisors (32563138007).

1444564654441 is a wasteful number, since it uses less digits than its factorization.

1444564654441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79992.

The product of its digits is 14745600, while the sum is 52.

The spelling of 1444564654441 in words is "one trillion, four hundred forty-four billion, five hundred sixty-four million, six hundred fifty-four thousand, four hundred forty-one".