454461569 has 2 divisors, whose sum is σ = 454461570. Its totient is φ = 454461568.

The previous prime is 454461563. The next prime is 454461571. The reversal of 454461569 is 965164454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369600625 + 84860944 = 19225^2 + 9212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454461569 is a prime.

It is a super-2 number, since 2×454461569² = 413070635395883522, which contains 22 as substring.

Together with 454461571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (454461563) 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, 227230784 + 227230785.

It is an arithmetic number, because the mean of its divisors is an integer number (227230785).

Almost surely, 2^454461569 is an apocalyptic number.

It is an amenable number.

454461569 is a deficient number, since it is larger than the sum of its proper divisors (1).

454461569 is an equidigital number, since it uses as much as digits as its factorization.

454461569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 44.

The square root of 454461569 is about 21318.1042543656. The cubic root of 454461569 is about 768.8336583863.

The spelling of 454461569 in words is "four hundred fifty-four million, four hundred sixty-one thousand, five hundred sixty-nine".