9073771865444 has 24 divisors (see below), whose sum is σ = 18655167332928. Its totient is φ = 3807177006240.

The previous prime is 9073771865419. The next prime is 9073771865447. The reversal of 9073771865444 is 4445681773709.

It is a super-2 number, since 2×9073771865444² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9073771865447) 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 in 7 ways as a sum of consecutive naturals, for example, 7931618192 + ... + 7931619335.

It is an arithmetic number, because the mean of its divisors is an integer number (777298638872).

Almost surely, 2^{9073771865444} is an apocalyptic number.

It is an amenable number.

9073771865444 is an abundant number, since it is smaller than the sum of its proper divisors (9581395467484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9073771865444 is a wasteful number, since it uses less digits than its factorization.

9073771865444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15863237555 (or 15863237553 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 65.

The spelling of 9073771865444 in words is "nine trillion, seventy-three billion, seven hundred seventy-one million, eight hundred sixty-five thousand, four hundred forty-four".