44885318389 has 2 divisors, whose sum is σ = 44885318390. Its totient is φ = 44885318388.

The previous prime is 44885318341. The next prime is 44885318411. The reversal of 44885318389 is 98381358844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33098524900 + 11786793489 = 181930^2 + 108567^2 .

It is a cyclic number.

It is not a de Polignac number, because 44885318389 - 2⁹ = 44885317877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44885318339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22442659194 + 22442659195.

It is an arithmetic number, because the mean of its divisors is an integer number (22442659195).

Almost surely, 2^44885318389 is an apocalyptic number.

It is an amenable number.

44885318389 is a deficient number, since it is larger than the sum of its proper divisors (1).

44885318389 is an equidigital number, since it uses as much as digits as its factorization.

44885318389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26542080, while the sum is 61.

The spelling of 44885318389 in words is "forty-four billion, eight hundred eighty-five million, three hundred eighteen thousand, three hundred eighty-nine".