27096909823 has 2 divisors, whose sum is σ = 27096909824. Its totient is φ = 27096909822.

The previous prime is 27096909811. The next prime is 27096909839. The reversal of 27096909823 is 32890969072.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27096909823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27096909863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13548454911 + 13548454912.

It is an arithmetic number, because the mean of its divisors is an integer number (13548454912).

Almost surely, 2^27096909823 is an apocalyptic number.

27096909823 is a deficient number, since it is larger than the sum of its proper divisors (1).

27096909823 is an equidigital number, since it uses as much as digits as its factorization.

27096909823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 27096909823 in words is "twenty-seven billion, ninety-six million, nine hundred nine thousand, eight hundred twenty-three".