27013812699 has 4 divisors (see below), whose sum is σ = 36018416936. Its totient is φ = 18009208464.

The previous prime is 27013812601. The next prime is 27013812733. The reversal of 27013812699 is 99621831072.

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

It is not a de Polignac number, because 27013812699 - 2¹² = 27013808603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27013812499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502302114 + ... + 4502302119.

It is an arithmetic number, because the mean of its divisors is an integer number (9004604234).

Almost surely, 2^27013812699 is an apocalyptic number.

27013812699 is a deficient number, since it is larger than the sum of its proper divisors (9004604237).

27013812699 is an equidigital number, since it uses as much as digits as its factorization.

27013812699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004604236.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 27013812699 in words is "twenty-seven billion, thirteen million, eight hundred twelve thousand, six hundred ninety-nine".