44326412509 has 2 divisors, whose sum is σ = 44326412510. Its totient is φ = 44326412508.

The previous prime is 44326412477. The next prime is 44326412573. The reversal of 44326412509 is 90521462344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42466905625 + 1859506884 = 206075^2 + 43122^2 .

It is a cyclic number.

It is not a de Polignac number, because 44326412509 - 2⁵ = 44326412477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44326412209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22163206254 + 22163206255.

It is an arithmetic number, because the mean of its divisors is an integer number (22163206255).

Almost surely, 2^44326412509 is an apocalyptic number.

It is an amenable number.

44326412509 is a deficient number, since it is larger than the sum of its proper divisors (1).

44326412509 is an equidigital number, since it uses as much as digits as its factorization.

44326412509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 44326412509 in words is "forty-four billion, three hundred twenty-six million, four hundred twelve thousand, five hundred nine".