27841531089 has 4 divisors (see below), whose sum is σ = 37122041456. Its totient is φ = 18561020724.

The previous prime is 27841531087. The next prime is 27841531127. The reversal of 27841531089 is 98013514872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27841531089 - 2¹ = 27841531087 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27841531087) 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 3 ways as a sum of consecutive naturals, for example, 4640255179 + ... + 4640255184.

It is an arithmetic number, because the mean of its divisors is an integer number (9280510364).

Almost surely, 2^27841531089 is an apocalyptic number.

It is an amenable number.

27841531089 is a deficient number, since it is larger than the sum of its proper divisors (9280510367).

27841531089 is an equidigital number, since it uses as much as digits as its factorization.

27841531089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280510366.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 27841531089 in words is "twenty-seven billion, eight hundred forty-one million, five hundred thirty-one thousand, eighty-nine".