27837991245593 has 2 divisors, whose sum is σ = 27837991245594. Its totient is φ = 27837991245592.

The previous prime is 27837991245539. The next prime is 27837991245607. The reversal of 27837991245593 is 39554219973872.

Together with previous prime (27837991245539) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26595597896464 + 1242393349129 = 5157092^2 + 1114627^2 .

It is a cyclic number.

It is not a de Polignac number, because 27837991245593 - 2⁶ = 27837991245529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27837991245593.

It is not a weakly prime, because it can be changed into another prime (27837993245593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13918995622796 + 13918995622797.

It is an arithmetic number, because the mean of its divisors is an integer number (13918995622797).

Almost surely, 2^{27837991245593} is an apocalyptic number.

It is an amenable number.

27837991245593 is a deficient number, since it is larger than the sum of its proper divisors (1).

27837991245593 is an equidigital number, since it uses as much as digits as its factorization.

27837991245593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1028764800, while the sum is 74.

The spelling of 27837991245593 in words is "twenty-seven trillion, eight hundred thirty-seven billion, nine hundred ninety-one million, two hundred forty-five thousand, five hundred ninety-three".