448646646843 has 12 divisors (see below), whose sum is σ = 658668848448. Its totient is φ = 294194522160.

The previous prime is 448646646743. The next prime is 448646646853. The reversal of 448646646843 is 348646646844.

448646646843 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 448646646843 - 2¹² = 448646642747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448646646853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408602955 + ... + 408604052.

It is an arithmetic number, because the mean of its divisors is an integer number (54889070704).

Almost surely, 2^448646646843 is an apocalyptic number.

448646646843 is a deficient number, since it is larger than the sum of its proper divisors (210022201605).

448646646843 is a wasteful number, since it uses less digits than its factorization.

448646646843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817207074 (or 817207071 counting only the distinct ones).

The product of its digits is 254803968, while the sum is 63.

Subtracting from 448646646843 its reverse (348646646844), we obtain a palindrome (99999999999).

The spelling of 448646646843 in words is "four hundred forty-eight billion, six hundred forty-six million, six hundred forty-six thousand, eight hundred forty-three".