27338221455443 has 16 divisors (see below), whose sum is σ = 28575229562880. Its totient is φ = 26121188360736.

The previous prime is 27338221455407. The next prime is 27338221455481. The reversal of 27338221455443 is 34455412283372.

It is a cyclic number.

It is not a de Polignac number, because 27338221455443 - 2⁸ = 27338221455187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27338221415443) 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 15 ways as a sum of consecutive naturals, for example, 1159646 + ... + 7484732.

It is an arithmetic number, because the mean of its divisors is an integer number (1785951847680).

Almost surely, 2^{27338221455443} is an apocalyptic number.

27338221455443 is a deficient number, since it is larger than the sum of its proper divisors (1237008107437).

27338221455443 is a wasteful number, since it uses less digits than its factorization.

27338221455443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6326666.

The product of its digits is 19353600, while the sum is 53.

The spelling of 27338221455443 in words is "twenty-seven trillion, three hundred thirty-eight billion, two hundred twenty-one million, four hundred fifty-five thousand, four hundred forty-three".