27546868733 has 2 divisors, whose sum is σ = 27546868734. Its totient is φ = 27546868732.

The previous prime is 27546868709. The next prime is 27546868747. The reversal of 27546868733 is 33786864572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21839519524 + 5707349209 = 147782^2 + 75547^2 .

It is a cyclic number.

It is not a de Polignac number, because 27546868733 - 2¹⁸ = 27546606589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27546868703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13773434366 + 13773434367.

It is an arithmetic number, because the mean of its divisors is an integer number (13773434367).

Almost surely, 2^27546868733 is an apocalyptic number.

It is an amenable number.

27546868733 is a deficient number, since it is larger than the sum of its proper divisors (1).

27546868733 is an equidigital number, since it uses as much as digits as its factorization.

27546868733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 59.

The spelling of 27546868733 in words is "twenty-seven billion, five hundred forty-six million, eight hundred sixty-eight thousand, seven hundred thirty-three".