34809449 has 2 divisors, whose sum is σ = 34809450. Its totient is φ = 34809448.

The previous prime is 34809443. The next prime is 34809457. The reversal of 34809449 is 94490843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22733824 + 12075625 = 4768^2 + 3475^2 .

It is an emirp because it is prime and its reverse (94490843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34809449 - 2²⁰ = 33760873 is a prime.

It is not a weakly prime, because it can be changed into another prime (34809443) 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, 17404724 + 17404725.

It is an arithmetic number, because the mean of its divisors is an integer number (17404725).

Almost surely, 2^34809449 is an apocalyptic number.

It is an amenable number.

34809449 is a deficient number, since it is larger than the sum of its proper divisors (1).

34809449 is an equidigital number, since it uses as much as digits as its factorization.

34809449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 34809449 is about 5899.9533049000. The cubic root of 34809449 is about 326.5119266891.

The spelling of 34809449 in words is "thirty-four million, eight hundred nine thousand, four hundred forty-nine".