44386895561 has 2 divisors, whose sum is σ = 44386895562. Its totient is φ = 44386895560.

The previous prime is 44386895537. The next prime is 44386895573. The reversal of 44386895561 is 16559868344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42500296336 + 1886599225 = 206156^2 + 43435^2 .

It is a cyclic number.

It is not a de Polignac number, because 44386895561 - 2¹⁰ = 44386894537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44386895561.

It is not a weakly prime, because it can be changed into another prime (44386895591) 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, 22193447780 + 22193447781.

It is an arithmetic number, because the mean of its divisors is an integer number (22193447781).

Almost surely, 2^44386895561 is an apocalyptic number.

It is an amenable number.

44386895561 is a deficient number, since it is larger than the sum of its proper divisors (1).

44386895561 is an equidigital number, since it uses as much as digits as its factorization.

44386895561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24883200, while the sum is 59.

The spelling of 44386895561 in words is "forty-four billion, three hundred eighty-six million, eight hundred ninety-five thousand, five hundred sixty-one".