744969193 has 2 divisors, whose sum is σ = 744969194. Its totient is φ = 744969192.

The previous prime is 744969179. The next prime is 744969217. The reversal of 744969193 is 391969447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420537049 + 324432144 = 20507^2 + 18012^2 .

It is a cyclic number.

It is not a de Polignac number, because 744969193 - 2⁹ = 744968681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 744969193.

It is not a weakly prime, because it can be changed into another prime (744969143) 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, 372484596 + 372484597.

It is an arithmetic number, because the mean of its divisors is an integer number (372484597).

Almost surely, 2^744969193 is an apocalyptic number.

It is an amenable number.

744969193 is a deficient number, since it is larger than the sum of its proper divisors (1).

744969193 is an equidigital number, since it uses as much as digits as its factorization.

744969193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 744969193 is about 27294.1237815029. The cubic root of 744969193 is about 906.5242743482.

The spelling of 744969193 in words is "seven hundred forty-four million, nine hundred sixty-nine thousand, one hundred ninety-three".