27143432045 has 16 divisors (see below), whose sum is σ = 32885932608. Its totient is φ = 21505653120.

The previous prime is 27143432039. The next prime is 27143432047. The reversal of 27143432045 is 54023434172.

27143432045 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 27143432045 - 2⁶ = 27143431981 is a prime.

It is a Duffinian number.

27143432045 is strictly pandigital in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 27143431996 and 27143432014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27143432047) 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, 3142022 + ... + 3150648.

It is an arithmetic number, because the mean of its divisors is an integer number (2055370788).

Almost surely, 2^27143432045 is an apocalyptic number.

It is an amenable number.

27143432045 is a deficient number, since it is larger than the sum of its proper divisors (5742500563).

27143432045 is a wasteful number, since it uses less digits than its factorization.

27143432045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14620.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 27143432045 in words is "twenty-seven billion, one hundred forty-three million, four hundred thirty-two thousand, forty-five".