27642936099029 has 2 divisors, whose sum is σ = 27642936099030. Its totient is φ = 27642936099028.

The previous prime is 27642936099019. The next prime is 27642936099041. The reversal of 27642936099029 is 92099063924672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27642936099025 + 4 = 5257655^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 27642936099029 - 2⁴ = 27642936099013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27642936099029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27642936099019) 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, 13821468049514 + 13821468049515.

It is an arithmetic number, because the mean of its divisors is an integer number (13821468049515).

Almost surely, 2^{27642936099029} is an apocalyptic number.

It is an amenable number.

27642936099029 is a deficient number, since it is larger than the sum of its proper divisors (1).

27642936099029 is an equidigital number, since it uses as much as digits as its factorization.

27642936099029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158723712, while the sum is 68.

The spelling of 27642936099029 in words is "twenty-seven trillion, six hundred forty-two billion, nine hundred thirty-six million, ninety-nine thousand, twenty-nine".