27527502493 has 2 divisors, whose sum is σ = 27527502494. Its totient is φ = 27527502492.

The previous prime is 27527502479. The next prime is 27527502547. The reversal of 27527502493 is 39420572572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20689370244 + 6838132249 = 143838^2 + 82693^2 .

It is a cyclic number.

It is not a de Polignac number, because 27527502493 - 2¹³ = 27527494301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27527502473) 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, 13763751246 + 13763751247.

It is an arithmetic number, because the mean of its divisors is an integer number (13763751247).

Almost surely, 2^27527502493 is an apocalyptic number.

It is an amenable number.

27527502493 is a deficient number, since it is larger than the sum of its proper divisors (1).

27527502493 is an equidigital number, since it uses as much as digits as its factorization.

27527502493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 27527502493 in words is "twenty-seven billion, five hundred twenty-seven million, five hundred two thousand, four hundred ninety-three".