44344826989 has 2 divisors, whose sum is σ = 44344826990. Its totient is φ = 44344826988.

The previous prime is 44344826957. The next prime is 44344827013. The reversal of 44344826989 is 98962844344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44134866889 + 209960100 = 210083^2 + 14490^2 .

It is a cyclic number.

It is not a de Polignac number, because 44344826989 - 2⁵ = 44344826957 is a prime.

It is a super-2 number, since 2×44344826989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44344826189) 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, 22172413494 + 22172413495.

It is an arithmetic number, because the mean of its divisors is an integer number (22172413495).

Almost surely, 2^44344826989 is an apocalyptic number.

It is an amenable number.

44344826989 is a deficient number, since it is larger than the sum of its proper divisors (1).

44344826989 is an equidigital number, since it uses as much as digits as its factorization.

44344826989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47775744, while the sum is 61.

The spelling of 44344826989 in words is "forty-four billion, three hundred forty-four million, eight hundred twenty-six thousand, nine hundred eighty-nine".