4044134443213 has 2 divisors, whose sum is σ = 4044134443214. Its totient is φ = 4044134443212.

The previous prime is 4044134443147. The next prime is 4044134443243. The reversal of 4044134443213 is 3123444314404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2398245585129 + 1645888858084 = 1548627^2 + 1282922^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044134443213 - 2⁹ = 4044134442701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044134443243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022067221606 + 2022067221607.

It is an arithmetic number, because the mean of its divisors is an integer number (2022067221607).

Almost surely, 2^{4044134443213} is an apocalyptic number.

It is an amenable number.

4044134443213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044134443213 is an equidigital number, since it uses as much as digits as its factorization.

4044134443213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 4044134443213 its reverse (3123444314404), we get a palindrome (7167578757617).

The spelling of 4044134443213 in words is "four trillion, forty-four billion, one hundred thirty-four million, four hundred forty-three thousand, two hundred thirteen".