44001040312109 has 2 divisors, whose sum is σ = 44001040312110. Its totient is φ = 44001040312108.

The previous prime is 44001040312049. The next prime is 44001040312123. The reversal of 44001040312109 is 90121304010044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27456866404900 + 16544173907209 = 5239930^2 + 4067453^2 .

It is a cyclic number.

It is not a de Polignac number, because 44001040312109 - 2¹⁶ = 44001040246573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44001040312139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000520156054 + 22000520156055.

It is an arithmetic number, because the mean of its divisors is an integer number (22000520156055).

Almost surely, 2^{44001040312109} is an apocalyptic number.

It is an amenable number.

44001040312109 is a deficient number, since it is larger than the sum of its proper divisors (1).

44001040312109 is an equidigital number, since it uses as much as digits as its factorization.

44001040312109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 44001040312109 in words is "forty-four trillion, one billion, forty million, three hundred twelve thousand, one hundred nine".