45644343659969 has 2 divisors, whose sum is σ = 45644343659970. Its totient is φ = 45644343659968.

The previous prime is 45644343659909. The next prime is 45644343660043. The reversal of 45644343659969 is 96995634344654.

45644343659969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45362582280625 + 281761379344 = 6735175^2 + 530812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45644343659969 is a prime.

It is a super-3 number, since 3×45644343659969³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 45644343659969.

It is not a weakly prime, because it can be changed into another prime (45644343659909) 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, 22822171829984 + 22822171829985.

It is an arithmetic number, because the mean of its divisors is an integer number (22822171829985).

Almost surely, 2^{45644343659969} is an apocalyptic number.

It is an amenable number.

45644343659969 is a deficient number, since it is larger than the sum of its proper divisors (1).

45644343659969 is an equidigital number, since it uses as much as digits as its factorization.

45644343659969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9069926400, while the sum is 77.

The spelling of 45644343659969 in words is "forty-five trillion, six hundred forty-four billion, three hundred forty-three million, six hundred fifty-nine thousand, nine hundred sixty-nine".