449554559 has 2 divisors, whose sum is σ = 449554560. Its totient is φ = 449554558.

The previous prime is 449554541. The next prime is 449554561. The reversal of 449554559 is 955455944.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449554559 is a prime.

Together with 449554561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449544559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224777279 + 224777280.

It is an arithmetic number, because the mean of its divisors is an integer number (224777280).

Almost surely, 2^449554559 is an apocalyptic number.

449554559 is a deficient number, since it is larger than the sum of its proper divisors (1).

449554559 is an equidigital number, since it uses as much as digits as its factorization.

449554559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240000, while the sum is 50.

The square root of 449554559 is about 21202.7016910581. The cubic root of 449554559 is about 766.0565002965.

The spelling of 449554559 in words is "four hundred forty-nine million, five hundred fifty-four thousand, five hundred fifty-nine".