27726030529 has 2 divisors, whose sum is σ = 27726030530. Its totient is φ = 27726030528.

The previous prime is 27726030467. The next prime is 27726030533. The reversal of 27726030529 is 92503062772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25720782129 + 2005248400 = 160377^2 + 44780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27726030529 is a prime.

It is not a weakly prime, because it can be changed into another prime (27726030929) 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, 13863015264 + 13863015265.

It is an arithmetic number, because the mean of its divisors is an integer number (13863015265).

Almost surely, 2^27726030529 is an apocalyptic number.

It is an amenable number.

27726030529 is a deficient number, since it is larger than the sum of its proper divisors (1).

27726030529 is an equidigital number, since it uses as much as digits as its factorization.

27726030529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 27726030529 in words is "twenty-seven billion, seven hundred twenty-six million, thirty thousand, five hundred twenty-nine".