9744401749 has 2 divisors, whose sum is σ = 9744401750. Its totient is φ = 9744401748.

The previous prime is 9744401741. The next prime is 9744401809. The reversal of 9744401749 is 9471044479.

9744401749 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4957145649 + 4787256100 = 70407^2 + 69190^2 .

It is a cyclic number.

It is not a de Polignac number, because 9744401749 - 2³ = 9744401741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9744401741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872200874 + 4872200875.

It is an arithmetic number, because the mean of its divisors is an integer number (4872200875).

Almost surely, 2^9744401749 is an apocalyptic number.

It is an amenable number.

9744401749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9744401749 is an equidigital number, since it uses as much as digits as its factorization.

9744401749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 9744401749 is about 98713.7363744276. The cubic root of 9744401749 is about 2135.9203836659.

The spelling of 9744401749 in words is "nine billion, seven hundred forty-four million, four hundred one thousand, seven hundred forty-nine".