448549012319 has 4 divisors (see below), whose sum is σ = 448643867760. Its totient is φ = 448454156880.

The previous prime is 448549012273. The next prime is 448549012369. The reversal of 448549012319 is 913210945844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448549012319 is a prime.

It is a super-2 number, since 2×448549012319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448549012369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47420627 + ... + 47430084.

It is an arithmetic number, because the mean of its divisors is an integer number (112160966940).

Almost surely, 2^448549012319 is an apocalyptic number.

448549012319 is a deficient number, since it is larger than the sum of its proper divisors (94855441).

448549012319 is an equidigital number, since it uses as much as digits as its factorization.

448549012319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94855440.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 448549012319 in words is "four hundred forty-eight billion, five hundred forty-nine million, twelve thousand, three hundred nineteen".