2444121005 has 4 divisors (see below), whose sum is σ = 2932945212. Its totient is φ = 1955296800.

The previous prime is 2444120911. The next prime is 2444121047. The reversal of 2444121005 is 5001214442.

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 1533348964 + 910772041 = 39158^2 + 30179^2 .

It is not a de Polignac number, because 2444121005 - 2¹⁰ = 2444119981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 244412096 + ... + 244412105.

It is an arithmetic number, because the mean of its divisors is an integer number (733236303).

Almost surely, 2^2444121005 is an apocalyptic number.

It is an amenable number.

2444121005 is a deficient number, since it is larger than the sum of its proper divisors (488824207).

2444121005 is an equidigital number, since it uses as much as digits as its factorization.

2444121005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488824206.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2444121005 is about 49438.0521966633. The cubic root of 2444121005 is about 1347.0205907795.

Adding to 2444121005 its reverse (5001214442), we get a palindrome (7445335447).

The spelling of 2444121005 in words is "two billion, four hundred forty-four million, one hundred twenty-one thousand, five".