18272729102027 has 2 divisors, whose sum is σ = 18272729102028. Its totient is φ = 18272729102026.

The previous prime is 18272729101997. The next prime is 18272729102143. The reversal of 18272729102027 is 72020192727281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18272729102027 - 2⁸ = 18272729101771 is a prime.

It is not a weakly prime, because it can be changed into another prime (18272729102827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9136364551013 + 9136364551014.

It is an arithmetic number, because the mean of its divisors is an integer number (9136364551014).

Almost surely, 2^{18272729102027} is an apocalyptic number.

18272729102027 is a deficient number, since it is larger than the sum of its proper divisors (1).

18272729102027 is an equidigital number, since it uses as much as digits as its factorization.

18272729102027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 18272729102027 in words is "eighteen trillion, two hundred seventy-two billion, seven hundred twenty-nine million, one hundred two thousand, twenty-seven".