12747802446427 has 2 divisors, whose sum is σ = 12747802446428. Its totient is φ = 12747802446426.

The previous prime is 12747802446383. The next prime is 12747802446439. The reversal of 12747802446427 is 72464420874721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12747802446427 - 2⁷ = 12747802446299 is a prime.

It is not a weakly prime, because it can be changed into another prime (12747802446497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373901223213 + 6373901223214.

It is an arithmetic number, because the mean of its divisors is an integer number (6373901223214).

Almost surely, 2^{12747802446427} is an apocalyptic number.

12747802446427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12747802446427 is an equidigital number, since it uses as much as digits as its factorization.

12747802446427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33718272, while the sum is 58.

The spelling of 12747802446427 in words is "twelve trillion, seven hundred forty-seven billion, eight hundred two million, four hundred forty-six thousand, four hundred twenty-seven".