448668302021 has 4 divisors (see below), whose sum is σ = 472282423200. Its totient is φ = 425054180844.

The previous prime is 448668302009. The next prime is 448668302081. The reversal of 448668302021 is 120203866844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-448668302021 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 (448668302081) 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, 11807060561 + ... + 11807060598.

It is an arithmetic number, because the mean of its divisors is an integer number (118070605800).

Almost surely, 2^448668302021 is an apocalyptic number.

It is an amenable number.

448668302021 is a deficient number, since it is larger than the sum of its proper divisors (23614121179).

448668302021 is a wasteful number, since it uses less digits than its factorization.

448668302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23614121178.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 448668302021 in words is "four hundred forty-eight billion, six hundred sixty-eight million, three hundred two thousand, twenty-one".