27000454549993 has 2 divisors, whose sum is σ = 27000454549994. Its totient is φ = 27000454549992.

The previous prime is 27000454549961. The next prime is 27000454550039. The reversal of 27000454549993 is 39994545400072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15349407580224 + 11651046969769 = 3917832^2 + 3413363^2 .

It is a cyclic number.

It is not a de Polignac number, because 27000454549993 - 2⁵ = 27000454549961 is a prime.

It is a super-2 number, since 2×27000454549993² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27000454549493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13500227274996 + 13500227274997.

It is an arithmetic number, because the mean of its divisors is an integer number (13500227274997).

Almost surely, 2^{27000454549993} is an apocalyptic number.

It is an amenable number.

27000454549993 is a deficient number, since it is larger than the sum of its proper divisors (1).

27000454549993 is an equidigital number, since it uses as much as digits as its factorization.

27000454549993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 27000454549993 in words is "twenty-seven trillion, four hundred fifty-four million, five hundred forty-nine thousand, nine hundred ninety-three".