2448448393 has 4 divisors (see below), whose sum is σ = 2449633860. Its totient is φ = 2447262928.

The previous prime is 2448448369. The next prime is 2448448451. The reversal of 2448448393 is 3938448442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 447407104 + 2001041289 = 21152^2 + 44733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2448448393 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2448458393) 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, 589630 + ... + 593767.

It is an arithmetic number, because the mean of its divisors is an integer number (612408465).

Almost surely, 2^2448448393 is an apocalyptic number.

It is an amenable number.

2448448393 is a deficient number, since it is larger than the sum of its proper divisors (1185467).

2448448393 is a wasteful number, since it uses less digits than its factorization.

2448448393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185466.

The product of its digits is 2654208, while the sum is 49.

The square root of 2448448393 is about 49481.7986031227. The cubic root of 2448448393 is about 1347.8151018971.

Adding to 2448448393 its sum of digits (49), we get a palindrome (2448448442).

The spelling of 2448448393 in words is "two billion, four hundred forty-eight million, four hundred forty-eight thousand, three hundred ninety-three".