454416449 has 2 divisors, whose sum is σ = 454416450. Its totient is φ = 454416448.

The previous prime is 454416427. The next prime is 454416461. The reversal of 454416449 is 944614454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388287025 + 66129424 = 19705^2 + 8132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454416449 is a prime.

It is not a weakly prime, because it can be changed into another prime (454416419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227208224 + 227208225.

It is an arithmetic number, because the mean of its divisors is an integer number (227208225).

Almost surely, 2^454416449 is an apocalyptic number.

It is an amenable number.

454416449 is a deficient number, since it is larger than the sum of its proper divisors (1).

454416449 is an equidigital number, since it uses as much as digits as its factorization.

454416449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The square root of 454416449 is about 21317.0459726483. The cubic root of 454416449 is about 768.8082136805.

The spelling of 454416449 in words is "four hundred fifty-four million, four hundred sixteen thousand, four hundred forty-nine".