27060488491 has 4 divisors (see below), whose sum is σ = 27403026400. Its totient is φ = 26717950584.

The previous prime is 27060488459. The next prime is 27060488509. The reversal of 27060488491 is 19488406072.

It is a happy number.

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 27060488491 - 2⁵ = 27060488459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27060408491) 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, 171268836 + ... + 171268993.

It is an arithmetic number, because the mean of its divisors is an integer number (6850756600).

Almost surely, 2^27060488491 is an apocalyptic number.

27060488491 is a deficient number, since it is larger than the sum of its proper divisors (342537909).

27060488491 is an equidigital number, since it uses as much as digits as its factorization.

27060488491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342537908.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 27060488491 in words is "twenty-seven billion, sixty million, four hundred eighty-eight thousand, four hundred ninety-one".