449493483589 has 2 divisors, whose sum is σ = 449493483590. Its totient is φ = 449493483588.

The previous prime is 449493483581. The next prime is 449493483629. The reversal of 449493483589 is 985384394944.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227824836100 + 221668647489 = 477310^2 + 470817^2 .

It is a cyclic number.

It is not a de Polignac number, because 449493483589 - 2³ = 449493483581 is a prime.

It is a super-2 number, since 2×449493483589² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449493483581) 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, 224746741794 + 224746741795.

It is an arithmetic number, because the mean of its divisors is an integer number (224746741795).

Almost surely, 2^449493483589 is an apocalyptic number.

It is an amenable number.

449493483589 is a deficient number, since it is larger than the sum of its proper divisors (1).

449493483589 is an equidigital number, since it uses as much as digits as its factorization.

449493483589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537477120, while the sum is 70.

The spelling of 449493483589 in words is "four hundred forty-nine billion, four hundred ninety-three million, four hundred eighty-three thousand, five hundred eighty-nine".