2001442441 has 2 divisors, whose sum is σ = 2001442442. Its totient is φ = 2001442440.

The previous prime is 2001442411. The next prime is 2001442483. The reversal of 2001442441 is 1442441002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1543311225 + 458131216 = 39285^2 + 21404^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001442441 - 2⁹ = 2001441929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001442411) 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, 1000721220 + 1000721221.

It is an arithmetic number, because the mean of its divisors is an integer number (1000721221).

Almost surely, 2^2001442441 is an apocalyptic number.

It is an amenable number.

2001442441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001442441 is an equidigital number, since it uses as much as digits as its factorization.

2001442441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2001442441 is about 44737.4836239143. The cubic root of 2001442441 is about 1260.2238707362.

Adding to 2001442441 its reverse (1442441002), we get a palindrome (3443883443).

The spelling of 2001442441 in words is "two billion, one million, four hundred forty-two thousand, four hundred forty-one".