44144002313 has 4 divisors (see below), whose sum is σ = 44145578820. Its totient is φ = 44142425808.

The previous prime is 44144002307. The next prime is 44144002349. The reversal of 44144002313 is 31320044144.

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 31727803129 + 12416199184 = 178123^2 + 111428^2 .

It is a cyclic number.

It is not a de Polignac number, because 44144002313 - 2¹⁴ = 44143985929 is a prime.

It is a super-3 number, since 3×44144002313³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44144004313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745478 + ... + 802511.

It is an arithmetic number, because the mean of its divisors is an integer number (11036394705).

Almost surely, 2^44144002313 is an apocalyptic number.

It is an amenable number.

44144002313 is a deficient number, since it is larger than the sum of its proper divisors (1576507).

44144002313 is a wasteful number, since it uses less digits than its factorization.

44144002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576506.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 44144002313 its reverse (31320044144), we get a palindrome (75464046457).

The spelling of 44144002313 in words is "forty-four billion, one hundred forty-four million, two thousand, three hundred thirteen".