44129993 has 2 divisors, whose sum is σ = 44129994. Its totient is φ = 44129992.

The previous prime is 44129983. The next prime is 44129999. The reversal of 44129993 is 39992144.

44129993 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., 35081929 + 9048064 = 5923^2 + 3008^2 .

It is a cyclic number.

It is not a de Polignac number, because 44129993 - 2¹⁰ = 44128969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44129993.

It is not a weakly prime, because it can be changed into another prime (44129999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22064996 + 22064997.

It is an arithmetic number, because the mean of its divisors is an integer number (22064997).

Almost surely, 2^44129993 is an apocalyptic number.

It is an amenable number.

44129993 is a deficient number, since it is larger than the sum of its proper divisors (1).

44129993 is an equidigital number, since it uses as much as digits as its factorization.

44129993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 44129993 is about 6643.0409452298. The cubic root of 44129993 is about 353.3821588118.

The spelling of 44129993 in words is "forty-four million, one hundred twenty-nine thousand, nine hundred ninety-three".