2438450548321 has 2 divisors, whose sum is σ = 2438450548322. Its totient is φ = 2438450548320.

The previous prime is 2438450548319. The next prime is 2438450548411. The reversal of 2438450548321 is 1238450548342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1567754410000 + 870696138321 = 1252100^2 + 933111^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438450548321 - 2¹ = 2438450548319 is a prime.

Together with 2438450548319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2438450548421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219225274160 + 1219225274161.

It is an arithmetic number, because the mean of its divisors is an integer number (1219225274161).

Almost surely, 2^{2438450548321} is an apocalyptic number.

It is an amenable number.

2438450548321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438450548321 is an equidigital number, since it uses as much as digits as its factorization.

2438450548321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3686400, while the sum is 49.

The spelling of 2438450548321 in words is "two trillion, four hundred thirty-eight billion, four hundred fifty million, five hundred forty-eight thousand, three hundred twenty-one".