453368809 has 2 divisors, whose sum is σ = 453368810. Its totient is φ = 453368808.

The previous prime is 453368789. The next prime is 453368813. The reversal of 453368809 is 908863354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241025625 + 212343184 = 15525^2 + 14572^2 .

It is a cyclic number.

It is not a de Polignac number, because 453368809 - 2⁷ = 453368681 is a prime.

It is not a weakly prime, because it can be changed into another prime (453368849) 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, 226684404 + 226684405.

It is an arithmetic number, because the mean of its divisors is an integer number (226684405).

Almost surely, 2^453368809 is an apocalyptic number.

It is an amenable number.

453368809 is a deficient number, since it is larger than the sum of its proper divisors (1).

453368809 is an equidigital number, since it uses as much as digits as its factorization.

453368809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 453368809 is about 21292.4589702552. The cubic root of 453368809 is about 768.2169396052.

It can be divided in two parts, 45336 and 8809, that added together give a palindrome (54145).

The spelling of 453368809 in words is "four hundred fifty-three million, three hundred sixty-eight thousand, eight hundred nine".