44243099939 has 2 divisors, whose sum is σ = 44243099940. Its totient is φ = 44243099938.

The previous prime is 44243099861. The next prime is 44243100019. The reversal of 44243099939 is 93999034244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44243099939 - 2²⁸ = 43974664483 is a prime.

It is not a weakly prime, because it can be changed into another prime (44243099039) 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, 22121549969 + 22121549970.

It is an arithmetic number, because the mean of its divisors is an integer number (22121549970).

Almost surely, 2^44243099939 is an apocalyptic number.

44243099939 is a deficient number, since it is larger than the sum of its proper divisors (1).

44243099939 is an equidigital number, since it uses as much as digits as its factorization.

44243099939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The spelling of 44243099939 in words is "forty-four billion, two hundred forty-three million, ninety-nine thousand, nine hundred thirty-nine".