4441221313 has 2 divisors, whose sum is σ = 4441221314. Its totient is φ = 4441221312.

The previous prime is 4441221277. The next prime is 4441221349. The reversal of 4441221313 is 3131221444.

It is a balanced prime because it is at equal distance from previous prime (4441221277) and next prime (4441221349).

It can be written as a sum of positive squares in only one way, i.e., 2358850624 + 2082370689 = 48568^2 + 45633^2 .

It is a cyclic number.

It is not a de Polignac number, because 4441221313 - 2⁹ = 4441220801 is a prime.

It is a super-3 number, since 3×4441221313³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4441221383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220610656 + 2220610657.

It is an arithmetic number, because the mean of its divisors is an integer number (2220610657).

Almost surely, 2^4441221313 is an apocalyptic number.

It is an amenable number.

4441221313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4441221313 is an equidigital number, since it uses as much as digits as its factorization.

4441221313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 4441221313 is about 66642.4887965628. The cubic root of 4441221313 is about 1643.7438404874.

Adding to 4441221313 its reverse (3131221444), we get a palindrome (7572442757).

The spelling of 4441221313 in words is "four billion, four hundred forty-one million, two hundred twenty-one thousand, three hundred thirteen".