1044644741143 has 2 divisors, whose sum is σ = 1044644741144. Its totient is φ = 1044644741142.

The previous prime is 1044644741081. The next prime is 1044644741149. The reversal of 1044644741143 is 3411474464401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044644741143 - 2⁹ = 1044644740631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044644741143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044644741149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522322370571 + 522322370572.

It is an arithmetic number, because the mean of its divisors is an integer number (522322370572).

Almost surely, 2^{1044644741143} is an apocalyptic number.

1044644741143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044644741143 is an equidigital number, since it uses as much as digits as its factorization.

1044644741143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 1044644741143 in words is "one trillion, forty-four billion, six hundred forty-four million, seven hundred forty-one thousand, one hundred forty-three".