44395243213 has 2 divisors, whose sum is σ = 44395243214. Its totient is φ = 44395243212.

The previous prime is 44395243199. The next prime is 44395243223. The reversal of 44395243213 is 31234259344.

It is a happy number.

44395243213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39361766404 + 5033476809 = 198398^2 + 70947^2 .

It is a cyclic number.

It is not a de Polignac number, because 44395243213 - 2²⁵ = 44361688781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44395243223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22197621606 + 22197621607.

It is an arithmetic number, because the mean of its divisors is an integer number (22197621607).

Almost surely, 2^44395243213 is an apocalyptic number.

It is an amenable number.

44395243213 is a deficient number, since it is larger than the sum of its proper divisors (1).

44395243213 is an equidigital number, since it uses as much as digits as its factorization.

44395243213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 40.

The spelling of 44395243213 in words is "forty-four billion, three hundred ninety-five million, two hundred forty-three thousand, two hundred thirteen".