743828089 has 2 divisors, whose sum is σ = 743828090. Its totient is φ = 743828088.

The previous prime is 743828039. The next prime is 743828101. The reversal of 743828089 is 980828347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450288400 + 293539689 = 21220^2 + 17133^2 .

It is a cyclic number.

It is not a de Polignac number, because 743828089 - 2¹³ = 743819897 is a prime.

It is not a weakly prime, because it can be changed into another prime (743828009) 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, 371914044 + 371914045.

It is an arithmetic number, because the mean of its divisors is an integer number (371914045).

Almost surely, 2^743828089 is an apocalyptic number.

It is an amenable number.

743828089 is a deficient number, since it is larger than the sum of its proper divisors (1).

743828089 is an equidigital number, since it uses as much as digits as its factorization.

743828089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 743828089 is about 27273.2119303906. The cubic root of 743828089 is about 906.0611826745.

The spelling of 743828089 in words is "seven hundred forty-three million, eight hundred twenty-eight thousand, eighty-nine".