744448669 has 2 divisors, whose sum is σ = 744448670. Its totient is φ = 744448668.

The previous prime is 744448643. The next prime is 744448687. The reversal of 744448669 is 966844447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548168569 + 196280100 = 23413^2 + 14010^2 .

It is a cyclic number.

It is not a de Polignac number, because 744448669 - 2⁹ = 744448157 is a prime.

It is a super-2 number, since 2×744448669² = 1108407641551743122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744448699) 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, 372224334 + 372224335.

It is an arithmetic number, because the mean of its divisors is an integer number (372224335).

Almost surely, 2^744448669 is an apocalyptic number.

It is an amenable number.

744448669 is a deficient number, since it is larger than the sum of its proper divisors (1).

744448669 is an equidigital number, since it uses as much as digits as its factorization.

744448669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 52.

The square root of 744448669 is about 27284.5866562057. The cubic root of 744448669 is about 906.3130899621.

The spelling of 744448669 in words is "seven hundred forty-four million, four hundred forty-eight thousand, six hundred sixty-nine".