27043939185 has 32 divisors (see below), whose sum is σ = 44962037760. Its totient is φ = 13865688000.

The previous prime is 27043939147. The next prime is 27043939207. The reversal of 27043939185 is 58193934072.

It is not a de Polignac number, because 27043939185 - 2⁷ = 27043939057 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 122365 + ... + 262794.

It is an arithmetic number, because the mean of its divisors is an integer number (1405063680).

Almost surely, 2^27043939185 is an apocalyptic number.

It is an amenable number.

27043939185 is a deficient number, since it is larger than the sum of its proper divisors (17918098575).

27043939185 is a wasteful number, since it uses less digits than its factorization.

27043939185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385349.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 27043939185 in words is "twenty-seven billion, forty-three million, nine hundred thirty-nine thousand, one hundred eighty-five".