27012740199 has 4 divisors (see below), whose sum is σ = 36016986936. Its totient is φ = 18008493464.

The previous prime is 27012740143. The next prime is 27012740203. The reversal of 27012740199 is 99104721072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27012740199 - 2⁹ = 27012739687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27012740199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27012740099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502123364 + ... + 4502123369.

It is an arithmetic number, because the mean of its divisors is an integer number (9004246734).

Almost surely, 2^27012740199 is an apocalyptic number.

27012740199 is a deficient number, since it is larger than the sum of its proper divisors (9004246737).

27012740199 is an equidigital number, since it uses as much as digits as its factorization.

27012740199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004246736.

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 27012740199 in words is "twenty-seven billion, twelve million, seven hundred forty thousand, one hundred ninety-nine".