454841809 has 2 divisors, whose sum is σ = 454841810. Its totient is φ = 454841808.

The previous prime is 454841759. The next prime is 454841867. The reversal of 454841809 is 908148454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373571584 + 81270225 = 19328^2 + 9015^2 .

It is a cyclic number.

It is not a de Polignac number, because 454841809 - 2²¹ = 452744657 is a prime.

It is not a weakly prime, because it can be changed into another prime (454841879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227420904 + 227420905.

It is an arithmetic number, because the mean of its divisors is an integer number (227420905).

Almost surely, 2^454841809 is an apocalyptic number.

It is an amenable number.

454841809 is a deficient number, since it is larger than the sum of its proper divisors (1).

454841809 is an equidigital number, since it uses as much as digits as its factorization.

454841809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 454841809 is about 21327.0206311149. The cubic root of 454841809 is about 769.0480218117.

The spelling of 454841809 in words is "four hundred fifty-four million, eight hundred forty-one thousand, eight hundred nine".