18064537927 has 2 divisors, whose sum is σ = 18064537928. Its totient is φ = 18064537926.

The previous prime is 18064537921. The next prime is 18064537951. The reversal of 18064537927 is 72973546081.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18064537927 is a prime.

It is a pancake number, because a pancake can be divided into 18064537927 parts by 190076 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18064537921) 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 as a sum of consecutive naturals, namely, 9032268963 + 9032268964.

It is an arithmetic number, because the mean of its divisors is an integer number (9032268964).

It is a 2-persistent number, because it is pandigital, and so is 2⋅18064537927 = 36129075854, but 3⋅18064537927 = 54193613781 is not.

Almost surely, 2^18064537927 is an apocalyptic number.

18064537927 is a deficient number, since it is larger than the sum of its proper divisors (1).

18064537927 is an equidigital number, since it uses as much as digits as its factorization.

18064537927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 18064537927 in words is "eighteen billion, sixty-four million, five hundred thirty-seven thousand, nine hundred twenty-seven".