1444309263349 has 2 divisors, whose sum is σ = 1444309263350. Its totient is φ = 1444309263348.

The previous prime is 1444309263337. The next prime is 1444309263373. The reversal of 1444309263349 is 9433629034441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901516068324 + 542793195025 = 949482^2 + 736745^2 .

It is an emirp because it is prime and its reverse (9433629034441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444309263349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444309263296 and 1444309263305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444309363349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722154631674 + 722154631675.

It is an arithmetic number, because the mean of its divisors is an integer number (722154631675).

Almost surely, 2^{1444309263349} is an apocalyptic number.

It is an amenable number.

1444309263349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444309263349 is an equidigital number, since it uses as much as digits as its factorization.

1444309263349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 1444309263349 in words is "one trillion, four hundred forty-four billion, three hundred nine million, two hundred sixty-three thousand, three hundred forty-nine".