448129704959 has 4 divisors (see below), whose sum is σ = 448132688304. Its totient is φ = 448126721616.

The previous prime is 448129704941. The next prime is 448129705003. The reversal of 448129704959 is 959407921844.

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-448129704959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448129704929) 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, 1253702 + ... + 1570995.

It is an arithmetic number, because the mean of its divisors is an integer number (112033172076).

Almost surely, 2^448129704959 is an apocalyptic number.

448129704959 is a deficient number, since it is larger than the sum of its proper divisors (2983345).

448129704959 is a wasteful number, since it uses less digits than its factorization.

448129704959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983344.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 448129704959 in words is "four hundred forty-eight billion, one hundred twenty-nine million, seven hundred four thousand, nine hundred fifty-nine".