2445044321 has 2 divisors, whose sum is σ = 2445044322. Its totient is φ = 2445044320.

The previous prime is 2445044299. The next prime is 2445044353. The reversal of 2445044321 is 1234405442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2333952721 + 111091600 = 48311^2 + 10540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445044321 - 2²⁶ = 2377935457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2445014321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222522160 + 1222522161.

It is an arithmetic number, because the mean of its divisors is an integer number (1222522161).

Almost surely, 2^2445044321 is an apocalyptic number.

It is an amenable number.

2445044321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445044321 is an equidigital number, since it uses as much as digits as its factorization.

2445044321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2445044321 is about 49447.3894255298. The cubic root of 2445044321 is about 1347.1901908224.

Adding to 2445044321 its reverse (1234405442), we get a palindrome (3679449763).

The spelling of 2445044321 in words is "two billion, four hundred forty-five million, forty-four thousand, three hundred twenty-one".