4444444135313 has 12 divisors (see below), whose sum is σ = 5567765181300. Its totient is φ = 3516483271392.

The previous prime is 4444444135223. The next prime is 4444444135337. The reversal of 4444444135313 is 3135314444444.

It can be written as a sum of positive squares in 2 ways, for example, as 250353124609 + 4194091010704 = 500353^2 + 2047948^2 .

It is not a de Polignac number, because 4444444135313 - 2²⁶ = 4444377026449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4444444135363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3488574038 + ... + 3488575311.

It is an arithmetic number, because the mean of its divisors is an integer number (463980431775).

Almost surely, 2^{4444444135313} is an apocalyptic number.

It is an amenable number.

4444444135313 is a deficient number, since it is larger than the sum of its proper divisors (1123321045987).

4444444135313 is a wasteful number, since it uses less digits than its factorization.

4444444135313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977149376 (or 6977149369 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 44.

Adding to 4444444135313 its reverse (3135314444444), we get a palindrome (7579758579757).

The spelling of 4444444135313 in words is "four trillion, four hundred forty-four billion, four hundred forty-four million, one hundred thirty-five thousand, three hundred thirteen".