27279781341 has 4 divisors (see below), whose sum is σ = 36373041792. Its totient is φ = 18186520892.

The previous prime is 27279781337. The next prime is 27279781343. The reversal of 27279781341 is 14318797272.

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 a cyclic number.

It is not a de Polignac number, because 27279781341 - 2² = 27279781337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27279781343) 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, 4546630221 + ... + 4546630226.

It is an arithmetic number, because the mean of its divisors is an integer number (9093260448).

Almost surely, 2^27279781341 is an apocalyptic number.

It is an amenable number.

27279781341 is a deficient number, since it is larger than the sum of its proper divisors (9093260451).

27279781341 is an equidigital number, since it uses as much as digits as its factorization.

27279781341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093260450.

The product of its digits is 1185408, while the sum is 51.

The spelling of 27279781341 in words is "twenty-seven billion, two hundred seventy-nine million, seven hundred eighty-one thousand, three hundred forty-one".