445766673631023 has 64 divisors (see below), whose sum is σ = 738556143091200. Its totient is φ = 264071499563520.

The previous prime is 445766673631021. The next prime is 445766673631033. The reversal of 445766673631023 is 320136376667544.

It is a happy number.

It is not a de Polignac number, because 445766673631023 - 2¹ = 445766673631021 is a prime.

It is a super-3 number, since 3×445766673631023³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445766673631021) 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 in 63 ways as a sum of consecutive naturals, for example, 84670293 + ... + 89780798.

It is an arithmetic number, because the mean of its divisors is an integer number (11539939735800).

Almost surely, 2^{445766673631023} is an apocalyptic number.

445766673631023 is a deficient number, since it is larger than the sum of its proper divisors (292789469460177).

445766673631023 is a wasteful number, since it uses less digits than its factorization.

445766673631023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174451429 (or 174451423 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 63.

The spelling of 445766673631023 in words is "four hundred forty-five trillion, seven hundred sixty-six billion, six hundred seventy-three million, six hundred thirty-one thousand, twenty-three".