12746518551967 has 2 divisors, whose sum is σ = 12746518551968. Its totient is φ = 12746518551966.

The previous prime is 12746518551953. The next prime is 12746518551973. The reversal of 12746518551967 is 76915581564721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12746518551967 - 2⁷ = 12746518551839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12746518551947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373259275983 + 6373259275984.

It is an arithmetic number, because the mean of its divisors is an integer number (6373259275984).

Almost surely, 2^{12746518551967} is an apocalyptic number.

12746518551967 is a deficient number, since it is larger than the sum of its proper divisors (1).

12746518551967 is an equidigital number, since it uses as much as digits as its factorization.

12746518551967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008000, while the sum is 67.

The spelling of 12746518551967 in words is "twelve trillion, seven hundred forty-six billion, five hundred eighteen million, five hundred fifty-one thousand, nine hundred sixty-seven".