18106654529 has 2 divisors, whose sum is σ = 18106654530. Its totient is φ = 18106654528.

The previous prime is 18106654483. The next prime is 18106654549. The reversal of 18106654529 is 92545660181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11104312129 + 7002342400 = 105377^2 + 83680^2 .

It is a cyclic number.

It is not a de Polignac number, because 18106654529 - 2¹⁶ = 18106588993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (18106654549) 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, 9053327264 + 9053327265.

It is an arithmetic number, because the mean of its divisors is an integer number (9053327265).

Almost surely, 2^18106654529 is an apocalyptic number.

It is an amenable number.

18106654529 is a deficient number, since it is larger than the sum of its proper divisors (1).

18106654529 is an equidigital number, since it uses as much as digits as its factorization.

18106654529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 18106654529 in words is "eighteen billion, one hundred six million, six hundred fifty-four thousand, five hundred twenty-nine".