18246994231027 has 2 divisors, whose sum is σ = 18246994231028. Its totient is φ = 18246994231026.

The previous prime is 18246994231019. The next prime is 18246994231033. The reversal of 18246994231027 is 72013249964281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18246994231027 - 2³ = 18246994231019 is a prime.

It is not a weakly prime, because it can be changed into another prime (18246994211027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9123497115513 + 9123497115514.

It is an arithmetic number, because the mean of its divisors is an integer number (9123497115514).

Almost surely, 2^{18246994231027} is an apocalyptic number.

18246994231027 is a deficient number, since it is larger than the sum of its proper divisors (1).

18246994231027 is an equidigital number, since it uses as much as digits as its factorization.

18246994231027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 18246994231027 in words is "eighteen trillion, two hundred forty-six billion, nine hundred ninety-four million, two hundred thirty-one thousand, twenty-seven".