1444309263673 has 2 divisors, whose sum is σ = 1444309263674. Its totient is φ = 1444309263672.

The previous prime is 1444309263659. The next prime is 1444309263707. The reversal of 1444309263673 is 3763629034441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883925269929 + 560383993744 = 940173^2 + 748588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444309263673 - 2⁵ = 1444309263641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444309263673.

It is not a weakly prime, because it can be changed into another prime (1444309263613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722154631836 + 722154631837.

It is an arithmetic number, because the mean of its divisors is an integer number (722154631837).

Almost surely, 2^{1444309263673} is an apocalyptic number.

It is an amenable number.

1444309263673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444309263673 is an equidigital number, since it uses as much as digits as its factorization.

1444309263673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 52.

The spelling of 1444309263673 in words is "one trillion, four hundred forty-four billion, three hundred nine million, two hundred sixty-three thousand, six hundred seventy-three".