12767113693 has 2 divisors, whose sum is σ = 12767113694. Its totient is φ = 12767113692.

The previous prime is 12767113649. The next prime is 12767113717. The reversal of 12767113693 is 39631176721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6610828249 + 6156285444 = 81307^2 + 78462^2 .

It is an emirp because it is prime and its reverse (39631176721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12767113693 - 2³³ = 4177179101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12767113643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6383556846 + 6383556847.

It is an arithmetic number, because the mean of its divisors is an integer number (6383556847).

Almost surely, 2^12767113693 is an apocalyptic number.

It is an amenable number.

12767113693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12767113693 is an equidigital number, since it uses as much as digits as its factorization.

12767113693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The spelling of 12767113693 in words is "twelve billion, seven hundred sixty-seven million, one hundred thirteen thousand, six hundred ninety-three".