1444244368205 has 4 divisors (see below), whose sum is σ = 1733093241852. Its totient is φ = 1155395494560.

The previous prime is 1444244368187. The next prime is 1444244368267. The reversal of 1444244368205 is 5028634424441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 955658746084 + 488585622121 = 977578^2 + 698989^2 .

It is not a de Polignac number, because 1444244368205 - 2⁶ = 1444244368141 is a prime.

It is a super-2 number, since 2×1444244368205² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444244368205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144424436816 + ... + 144424436825.

It is an arithmetic number, because the mean of its divisors is an integer number (433273310463).

Almost surely, 2^{1444244368205} is an apocalyptic number.

It is an amenable number.

1444244368205 is a deficient number, since it is larger than the sum of its proper divisors (288848873647).

1444244368205 is an equidigital number, since it uses as much as digits as its factorization.

1444244368205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288848873646.

The product of its (nonzero) digits is 2949120, while the sum is 47.

The spelling of 1444244368205 in words is "one trillion, four hundred forty-four billion, two hundred forty-four million, three hundred sixty-eight thousand, two hundred five".