34645789 has 2 divisors, whose sum is σ = 34645790. Its totient is φ = 34645788.

The previous prime is 34645771. The next prime is 34645811. The reversal of 34645789 is 98754643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 36100 = 5883^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 34645789 - 2⁹ = 34645277 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 (34645489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17322894 + 17322895.

It is an arithmetic number, because the mean of its divisors is an integer number (17322895).

Almost surely, 2^34645789 is an apocalyptic number.

It is an amenable number.

34645789 is a deficient number, since it is larger than the sum of its proper divisors (1).

34645789 is an equidigital number, since it uses as much as digits as its factorization.

34645789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 34645789 is about 5886.0673628493. The cubic root of 34645789 is about 325.9994134758. Note that the first 3 decimals are identical.

The spelling of 34645789 in words is "thirty-four million, six hundred forty-five thousand, seven hundred eighty-nine".