449081750585 has 16 divisors (see below), whose sum is σ = 583785849360. Its totient is φ = 331629592320.

The previous prime is 449081750549. The next prime is 449081750587. The reversal of 449081750585 is 585057180944.

It can be written as a sum of positive squares in 8 ways, for example, as 235134798649 + 213946951936 = 484907^2 + 462544^2 .

It is not a de Polignac number, because 449081750585 - 2³⁶ = 380362273849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449081750585.

It is not an unprimeable number, because it can be changed into a prime (449081750587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20429696 + ... + 20451665.

It is an arithmetic number, because the mean of its divisors is an integer number (36486615585).

Almost surely, 2^449081750585 is an apocalyptic number.

It is an amenable number.

449081750585 is a deficient number, since it is larger than the sum of its proper divisors (134704098775).

449081750585 is an equidigital number, since it uses as much as digits as its factorization.

449081750585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40881405 (or 40881379 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 449081750585 in words is "four hundred forty-nine billion, eighty-one million, seven hundred fifty thousand, five hundred eighty-five".