12677741449591 has 2 divisors, whose sum is σ = 12677741449592. Its totient is φ = 12677741449590.

The previous prime is 12677741449589. The next prime is 12677741449603. The reversal of 12677741449591 is 19594414777621.

12677741449591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19594414777621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12677741449591 - 2¹ = 12677741449589 is a prime.

Together with 12677741449589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12677741449091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338870724795 + 6338870724796.

It is an arithmetic number, because the mean of its divisors is an integer number (6338870724796).

Almost surely, 2^{12677741449591} is an apocalyptic number.

12677741449591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12677741449591 is an equidigital number, since it uses as much as digits as its factorization.

12677741449591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 67.

The spelling of 12677741449591 in words is "twelve trillion, six hundred seventy-seven billion, seven hundred forty-one million, four hundred forty-nine thousand, five hundred ninety-one".