449519065 has 16 divisors (see below), whose sum is σ = 565963776. Its totient is φ = 342302400.

The previous prime is 449519051. The next prime is 449519069. The reversal of 449519065 is 560915944.

It is not a de Polignac number, because 449519065 - 2¹⁷ = 449387993 is a prime.

449519065 is a modest number, since divided by 19065 gives 4495 as remainder.

It is not an unprimeable number, because it can be changed into a prime (449519069) 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 in 15 ways as a sum of consecutive naturals, for example, 14317 + ... + 33226.

It is an arithmetic number, because the mean of its divisors is an integer number (35372736).

Almost surely, 2^449519065 is an apocalyptic number.

It is an amenable number.

449519065 is a deficient number, since it is larger than the sum of its proper divisors (116444711).

449519065 is a wasteful number, since it uses less digits than its factorization.

449519065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47640.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 449519065 is about 21201.8646585625. The cubic root of 449519065 is about 766.0363387651.

The spelling of 449519065 in words is "four hundred forty-nine million, five hundred nineteen thousand, sixty-five".