448604490049 has 6 divisors (see below), whose sum is σ = 461056624854. Its totient is φ = 436480043040.

The previous prime is 448604489933. The next prime is 448604490053. The reversal of 448604490049 is 940094406844.

It can be written as a sum of positive squares in 3 ways, for example, as 222972840000 + 225631650049 = 472200^2 + 475007^2 .

It is a de Polignac number, because none of the positive numbers 2^k-448604490049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448604489978 and 448604490005.

It is not an unprimeable number, because it can be changed into a prime (448604490079) 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 5 ways as a sum of consecutive naturals, for example, 163842492 + ... + 163845229.

It is an arithmetic number, because the mean of its divisors is an integer number (76842770809).

Almost surely, 2^448604490049 is an apocalyptic number.

It is an amenable number.

448604490049 is a deficient number, since it is larger than the sum of its proper divisors (12452134805).

448604490049 is an equidigital number, since it uses as much as digits as its factorization.

448604490049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327687795 (or 327687758 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 448604490049 in words is "four hundred forty-eight billion, six hundred four million, four hundred ninety thousand, forty-nine".