44038020236909 has 2 divisors, whose sum is σ = 44038020236910. Its totient is φ = 44038020236908.

The previous prime is 44038020236857. The next prime is 44038020236921. The reversal of 44038020236909 is 90963202083044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38654446252900 + 5383573984009 = 6217270^2 + 2320253^2 .

It is a cyclic number.

It is not a de Polignac number, because 44038020236909 - 2²⁸ = 44037751801453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44038020236209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22019010118454 + 22019010118455.

It is an arithmetic number, because the mean of its divisors is an integer number (22019010118455).

Almost surely, 2^{44038020236909} is an apocalyptic number.

It is an amenable number.

44038020236909 is a deficient number, since it is larger than the sum of its proper divisors (1).

44038020236909 is an equidigital number, since it uses as much as digits as its factorization.

44038020236909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 44038020236909 in words is "forty-four trillion, thirty-eight billion, twenty million, two hundred thirty-six thousand, nine hundred nine".