2044229665109 has 2 divisors, whose sum is σ = 2044229665110. Its totient is φ = 2044229665108.

The previous prime is 2044229665091. The next prime is 2044229665123. The reversal of 2044229665109 is 9015669224402.

Together with previous prime (2044229665091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1606378804900 + 437850860209 = 1267430^2 + 661703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044229665109 - 2⁸ = 2044229664853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044229665199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022114832554 + 1022114832555.

It is an arithmetic number, because the mean of its divisors is an integer number (1022114832555).

Almost surely, 2^{2044229665109} is an apocalyptic number.

It is an amenable number.

2044229665109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044229665109 is an equidigital number, since it uses as much as digits as its factorization.

2044229665109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 2044229665109 in words is "two trillion, forty-four billion, two hundred twenty-nine million, six hundred sixty-five thousand, one hundred nine".