27683368343 has 4 divisors (see below), whose sum is σ = 27747599328. Its totient is φ = 27619137360.

The previous prime is 27683368337. The next prime is 27683368351. The reversal of 27683368343 is 34386338672.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27683368343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27683368243) 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, 32114846 + ... + 32115707.

It is an arithmetic number, because the mean of its divisors is an integer number (6936899832).

Almost surely, 2^27683368343 is an apocalyptic number.

27683368343 is a deficient number, since it is larger than the sum of its proper divisors (64230985).

27683368343 is an equidigital number, since it uses as much as digits as its factorization.

27683368343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64230984.

The product of its digits is 10450944, while the sum is 53.

The spelling of 27683368343 in words is "twenty-seven billion, six hundred eighty-three million, three hundred sixty-eight thousand, three hundred forty-three".