1444339249 has 2 divisors, whose sum is σ = 1444339250. Its totient is φ = 1444339248.

The previous prime is 1444339181. The next prime is 1444339307. The reversal of 1444339249 is 9429334441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738480625 + 705858624 = 27175^2 + 26568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444339249 - 2⁹ = 1444338737 is a prime.

It is a super-2 number, since 2×1444339249² = 4172231732403768002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1444339049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722169624 + 722169625.

It is an arithmetic number, because the mean of its divisors is an integer number (722169625).

Almost surely, 2^1444339249 is an apocalyptic number.

It is an amenable number.

1444339249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444339249 is an equidigital number, since it uses as much as digits as its factorization.

1444339249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 1444339249 is about 38004.4635404843. The cubic root of 1444339249 is about 1130.3763721338.

The spelling of 1444339249 in words is "one billion, four hundred forty-four million, three hundred thirty-nine thousand, two hundred forty-nine".