2448843721 has 2 divisors, whose sum is σ = 2448843722. Its totient is φ = 2448843720.

The previous prime is 2448843713. The next prime is 2448843731. The reversal of 2448843721 is 1273488442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2001309696 + 447534025 = 44736^2 + 21155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2448843721 - 2³ = 2448843713 is a prime.

It is a super-2 number, since 2×2448843721² = 11993671139762251682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2448843731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224421860 + 1224421861.

It is an arithmetic number, because the mean of its divisors is an integer number (1224421861).

Almost surely, 2^2448843721 is an apocalyptic number.

It is an amenable number.

2448843721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448843721 is an equidigital number, since it uses as much as digits as its factorization.

2448843721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 43.

The square root of 2448843721 is about 49485.7931228752. The cubic root of 2448843721 is about 1347.8876376815.

The spelling of 2448843721 in words is "two billion, four hundred forty-eight million, eight hundred forty-three thousand, seven hundred twenty-one".