44439999999641 has 2 divisors, whose sum is σ = 44439999999642. Its totient is φ = 44439999999640.

The previous prime is 44439999999599. The next prime is 44439999999673. The reversal of 44439999999641 is 14699999993444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42517950495241 + 1922049504400 = 6520579^2 + 1386380^2 .

It is a cyclic number.

It is not a de Polignac number, because 44439999999641 - 2¹⁰ = 44439999998617 is a prime.

It is not a weakly prime, because it can be changed into another prime (44439999990641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22219999999820 + 22219999999821.

It is an arithmetic number, because the mean of its divisors is an integer number (22219999999821).

Almost surely, 2^{44439999999641} is an apocalyptic number.

It is an amenable number.

44439999999641 is a deficient number, since it is larger than the sum of its proper divisors (1).

44439999999641 is an equidigital number, since it uses as much as digits as its factorization.

44439999999641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22039921152, while the sum is 89.

The spelling of 44439999999641 in words is "forty-four trillion, four hundred thirty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, six hundred forty-one".