27719656382893 has 2 divisors, whose sum is σ = 27719656382894. Its totient is φ = 27719656382892.

The previous prime is 27719656382863. The next prime is 27719656382923. The reversal of 27719656382893 is 39828365691772.

It is a balanced prime because it is at equal distance from previous prime (27719656382863) and next prime (27719656382923).

It can be written as a sum of positive squares in only one way, i.e., 15677180951364 + 12042475431529 = 3959442^2 + 3470227^2 .

It is a cyclic number.

It is not a de Polignac number, because 27719656382893 - 2⁵ = 27719656382861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27719656382863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13859828191446 + 13859828191447.

It is an arithmetic number, because the mean of its divisors is an integer number (13859828191447).

Almost surely, 2^{27719656382893} is an apocalyptic number.

It is an amenable number.

27719656382893 is a deficient number, since it is larger than the sum of its proper divisors (1).

27719656382893 is an equidigital number, since it uses as much as digits as its factorization.

27719656382893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646023680, while the sum is 76.

The spelling of 27719656382893 in words is "twenty-seven trillion, seven hundred nineteen billion, six hundred fifty-six million, three hundred eighty-two thousand, eight hundred ninety-three".