44580442129 has 2 divisors, whose sum is σ = 44580442130. Its totient is φ = 44580442128.

The previous prime is 44580442117. The next prime is 44580442147. The reversal of 44580442129 is 92124408544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32167139904 + 12413302225 = 179352^2 + 111415^2 .

It is a cyclic number.

It is not a de Polignac number, because 44580442129 - 2³¹ = 42432958481 is a prime.

It is not a weakly prime, because it can be changed into another prime (44580440129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22290221064 + 22290221065.

It is an arithmetic number, because the mean of its divisors is an integer number (22290221065).

Almost surely, 2^44580442129 is an apocalyptic number.

It is an amenable number.

44580442129 is a deficient number, since it is larger than the sum of its proper divisors (1).

44580442129 is an equidigital number, since it uses as much as digits as its factorization.

44580442129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 44580442129 in words is "forty-four billion, five hundred eighty million, four hundred forty-two thousand, one hundred twenty-nine".