44027507309 has 2 divisors, whose sum is σ = 44027507310. Its totient is φ = 44027507308.

The previous prime is 44027507297. The next prime is 44027507311. The reversal of 44027507309 is 90370572044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40084044100 + 3943463209 = 200210^2 + 62797^2 .

It is a cyclic number.

It is not a de Polignac number, because 44027507309 - 2³² = 39732540013 is a prime.

Together with 44027507311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44027507399) 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, 22013753654 + 22013753655.

It is an arithmetic number, because the mean of its divisors is an integer number (22013753655).

Almost surely, 2^44027507309 is an apocalyptic number.

It is an amenable number.

44027507309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44027507309 is an equidigital number, since it uses as much as digits as its factorization.

44027507309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 44027507309 in words is "forty-four billion, twenty-seven million, five hundred seven thousand, three hundred nine".