44385856369 has 2 divisors, whose sum is σ = 44385856370. Its totient is φ = 44385856368.

The previous prime is 44385856349. The next prime is 44385856429. The reversal of 44385856369 is 96365858344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43342243344 + 1043613025 = 208188^2 + 32305^2 .

It is a cyclic number.

It is not a de Polignac number, because 44385856369 - 2⁷ = 44385856241 is a prime.

It is a super-2 number, since 2×44385856369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44385856349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22192928184 + 22192928185.

It is an arithmetic number, because the mean of its divisors is an integer number (22192928185).

Almost surely, 2^44385856369 is an apocalyptic number.

It is an amenable number.

44385856369 is a deficient number, since it is larger than the sum of its proper divisors (1).

44385856369 is an equidigital number, since it uses as much as digits as its factorization.

44385856369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74649600, while the sum is 61.

The spelling of 44385856369 in words is "forty-four billion, three hundred eighty-five million, eight hundred fifty-six thousand, three hundred sixty-nine".