44389430213 has 2 divisors, whose sum is σ = 44389430214. Its totient is φ = 44389430212.

The previous prime is 44389430119. The next prime is 44389430231. The reversal of 44389430213 is 31203498344.

Together with next prime (44389430231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24441257569 + 19948172644 = 156337^2 + 141238^2 .

It is a cyclic number.

It is not a de Polignac number, because 44389430213 - 2²⁰ = 44388381637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44389430263) 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 as a sum of consecutive naturals, namely, 22194715106 + 22194715107.

It is an arithmetic number, because the mean of its divisors is an integer number (22194715107).

Almost surely, 2^44389430213 is an apocalyptic number.

It is an amenable number.

44389430213 is a deficient number, since it is larger than the sum of its proper divisors (1).

44389430213 is an equidigital number, since it uses as much as digits as its factorization.

44389430213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 44389430213 in words is "forty-four billion, three hundred eighty-nine million, four hundred thirty thousand, two hundred thirteen".