44242000109 has 2 divisors, whose sum is σ = 44242000110. Its totient is φ = 44242000108.

The previous prime is 44242000087. The next prime is 44242000111. The reversal of 44242000109 is 90100024244.

44242000109 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., 29671096009 + 14570904100 = 172253^2 + 120710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44242000109 is a prime.

It is a Sophie Germain prime.

Together with 44242000111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44242000609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121000054 + 22121000055.

It is an arithmetic number, because the mean of its divisors is an integer number (22121000055).

Almost surely, 2^44242000109 is an apocalyptic number.

It is an amenable number.

44242000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

44242000109 is an equidigital number, since it uses as much as digits as its factorization.

44242000109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 44242000109 in words is "forty-four billion, two hundred forty-two million, one hundred nine", and thus it is an aban number.