4444013313 has 12 divisors (see below), whose sum is σ = 6419826660. Its totient is φ = 2962354176.

The previous prime is 4444013293. The next prime is 4444013423. The reversal of 4444013313 is 3133104444.

It can be written as a sum of positive squares in 2 ways, for example, as 2198390769 + 2245622544 = 46887^2 + 47388^2 .

It is not a de Polignac number, because 4444013313 - 2¹³ = 4444005121 is a prime.

It is a super-2 number, since 2×4444013313² = 39498508652242471938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4444013813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85633 + ... + 127361.

It is an arithmetic number, because the mean of its divisors is an integer number (534985555).

Almost surely, 2^4444013313 is an apocalyptic number.

It is an amenable number.

4444013313 is a deficient number, since it is larger than the sum of its proper divisors (1975813347).

4444013313 is a wasteful number, since it uses less digits than its factorization.

4444013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53568 (or 53565 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 4444013313 is about 66663.4331024138. The cubic root of 4444013313 is about 1644.0882180892.

Adding to 4444013313 its reverse (3133104444), we get a palindrome (7577117757).

The spelling of 4444013313 in words is "four billion, four hundred forty-four million, thirteen thousand, three hundred thirteen".