27949733113 has 4 divisors (see below), whose sum is σ = 28210945680. Its totient is φ = 27688520548.

The previous prime is 27949733069. The next prime is 27949733171. The reversal of 27949733113 is 31133794972.

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 27949733113 - 2¹⁷ = 27949602041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27949733173) 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, 130606123 + ... + 130606336.

It is an arithmetic number, because the mean of its divisors is an integer number (7052736420).

Almost surely, 2^27949733113 is an apocalyptic number.

It is an amenable number.

27949733113 is a deficient number, since it is larger than the sum of its proper divisors (261212567).

27949733113 is a wasteful number, since it uses less digits than its factorization.

27949733113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261212566.

The product of its digits is 857304, while the sum is 49.

The spelling of 27949733113 in words is "twenty-seven billion, nine hundred forty-nine million, seven hundred thirty-three thousand, one hundred thirteen".