749444429 has 2 divisors, whose sum is σ = 749444430. Its totient is φ = 749444428.

The previous prime is 749444401. The next prime is 749444441. The reversal of 749444429 is 924444947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412171204 + 337273225 = 20302^2 + 18365^2 .

It is an emirp because it is prime and its reverse (924444947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749444429 - 2⁸ = 749444173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749444329) 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, 374722214 + 374722215.

It is an arithmetic number, because the mean of its divisors is an integer number (374722215).

Almost surely, 2^749444429 is an apocalyptic number.

It is an amenable number.

749444429 is a deficient number, since it is larger than the sum of its proper divisors (1).

749444429 is an equidigital number, since it uses as much as digits as its factorization.

749444429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 47.

The square root of 749444429 is about 27375.9827038227. The cubic root of 749444429 is about 908.3358988864.

The spelling of 749444429 in words is "seven hundred forty-nine million, four hundred forty-four thousand, four hundred twenty-nine".