2448448421 has 4 divisors (see below), whose sum is σ = 2449705344. Its totient is φ = 2447191500.

The previous prime is 2448448369. The next prime is 2448448451. The reversal of 2448448421 is 1248448442.

2448448421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2448448421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2448448451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625535 + ... + 629436.

It is an arithmetic number, because the mean of its divisors is an integer number (612426336).

Almost surely, 2^2448448421 is an apocalyptic number.

It is an amenable number.

2448448421 is a deficient number, since it is larger than the sum of its proper divisors (1256923).

2448448421 is a wasteful number, since it uses less digits than its factorization.

2448448421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256922.

The product of its digits is 262144, while the sum is 41.

The square root of 2448448421 is about 49481.7988860551. The cubic root of 2448448421 is about 1347.8151070349.

The spelling of 2448448421 in words is "two billion, four hundred forty-eight million, four hundred forty-eight thousand, four hundred twenty-one".