44243644427 has 2 divisors, whose sum is σ = 44243644428. Its totient is φ = 44243644426.

The previous prime is 44243644411. The next prime is 44243644429. The reversal of 44243644427 is 72444634244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44243644427 - 2⁴ = 44243644411 is a prime.

Together with 44243644429, 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 (44243644429) 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, 22121822213 + 22121822214.

It is an arithmetic number, because the mean of its divisors is an integer number (22121822214).

Almost surely, 2^44243644427 is an apocalyptic number.

44243644427 is a deficient number, since it is larger than the sum of its proper divisors (1).

44243644427 is an equidigital number, since it uses as much as digits as its factorization.

44243644427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 44.

The spelling of 44243644427 in words is "forty-four billion, two hundred forty-three million, six hundred forty-four thousand, four hundred twenty-seven".