44505555089 has 2 divisors, whose sum is σ = 44505555090. Its totient is φ = 44505555088.

The previous prime is 44505555053. The next prime is 44505555091. The reversal of 44505555089 is 98055550544.

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., 43976187025 + 529368064 = 209705^2 + 23008^2 .

It is a cyclic number.

It is not a de Polignac number, because 44505555089 - 2⁸ = 44505554833 is a prime.

Together with 44505555091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44505555049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22252777544 + 22252777545.

It is an arithmetic number, because the mean of its divisors is an integer number (22252777545).

Almost surely, 2^44505555089 is an apocalyptic number.

It is an amenable number.

44505555089 is a deficient number, since it is larger than the sum of its proper divisors (1).

44505555089 is an equidigital number, since it uses as much as digits as its factorization.

44505555089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600000, while the sum is 50.

The spelling of 44505555089 in words is "forty-four billion, five hundred five million, five hundred fifty-five thousand, eighty-nine".