744234449789 has 2 divisors, whose sum is σ = 744234449790. Its totient is φ = 744234449788.

The previous prime is 744234449767. The next prime is 744234449813. The reversal of 744234449789 is 987944432447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477418812025 + 266815637764 = 690955^2 + 516542^2 .

It is a cyclic number.

It is not a de Polignac number, because 744234449789 - 2⁸ = 744234449533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744234449759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372117224894 + 372117224895.

It is an arithmetic number, because the mean of its divisors is an integer number (372117224895).

Almost surely, 2^744234449789 is an apocalyptic number.

It is an amenable number.

744234449789 is a deficient number, since it is larger than the sum of its proper divisors (1).

744234449789 is an equidigital number, since it uses as much as digits as its factorization.

744234449789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195084288, while the sum is 65.

The spelling of 744234449789 in words is "seven hundred forty-four billion, two hundred thirty-four million, four hundred forty-nine thousand, seven hundred eighty-nine".