7744116749 has 2 divisors, whose sum is σ = 7744116750. Its totient is φ = 7744116748.

The previous prime is 7744116707. The next prime is 7744116769. The reversal of 7744116749 is 9476114477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6628890724 + 1115226025 = 81418^2 + 33395^2 .

It is a cyclic number.

It is not a de Polignac number, because 7744116749 - 2¹⁶ = 7744051213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7744116697 and 7744116706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7744116769) 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, 3872058374 + 3872058375.

It is an arithmetic number, because the mean of its divisors is an integer number (3872058375).

Almost surely, 2^7744116749 is an apocalyptic number.

It is an amenable number.

7744116749 is a deficient number, since it is larger than the sum of its proper divisors (1).

7744116749 is an equidigital number, since it uses as much as digits as its factorization.

7744116749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 7744116749 is about 88000.6633440908. The cubic root of 7744116749 is about 1978.4449195836. Note that the first 3 decimals are identical.

The spelling of 7744116749 in words is "seven billion, seven hundred forty-four million, one hundred sixteen thousand, seven hundred forty-nine".