44041211551643 has 2 divisors, whose sum is σ = 44041211551644. Its totient is φ = 44041211551642.

The previous prime is 44041211551591. The next prime is 44041211551721. The reversal of 44041211551643 is 34615511214044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44041211551643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44041211551643.

It is not a weakly prime, because it can be changed into another prime (44041210551643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020605775821 + 22020605775822.

It is an arithmetic number, because the mean of its divisors is an integer number (22020605775822).

Almost surely, 2^{44041211551643} is an apocalyptic number.

44041211551643 is a deficient number, since it is larger than the sum of its proper divisors (1).

44041211551643 is an equidigital number, since it uses as much as digits as its factorization.

44041211551643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 41.

Adding to 44041211551643 its reverse (34615511214044), we get a palindrome (78656722765687).

The spelling of 44041211551643 in words is "forty-four trillion, forty-one billion, two hundred eleven million, five hundred fifty-one thousand, six hundred forty-three".