2444021313 has 8 divisors (see below), whose sum is σ = 3371064000. Its totient is φ = 1573163088.

The previous prime is 2444021311. The next prime is 2444021317. The reversal of 2444021313 is 3131204442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2444021313 - 2¹ = 2444021311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2444021311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14046013 + ... + 14046186.

It is an arithmetic number, because the mean of its divisors is an integer number (421383000).

Almost surely, 2^2444021313 is an apocalyptic number.

It is an amenable number.

2444021313 is a deficient number, since it is larger than the sum of its proper divisors (927042687).

2444021313 is a wasteful number, since it uses less digits than its factorization.

2444021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28092231.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2444021313 is about 49437.0439346853. The cubic root of 2444021313 is about 1347.0022762194.

Adding to 2444021313 its reverse (3131204442), we get a palindrome (5575225755).

It can be divided in two parts, 24440 and 21313, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 2444021313 in words is "two billion, four hundred forty-four million, twenty-one thousand, three hundred thirteen".