12704999811719 has 2 divisors, whose sum is σ = 12704999811720. Its totient is φ = 12704999811718.

The previous prime is 12704999811689. The next prime is 12704999811731. The reversal of 12704999811719 is 91711899940721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12704999811719 is a prime.

It is a super-2 number, since 2×12704999811719² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12704999811739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352499905859 + 6352499905860.

It is an arithmetic number, because the mean of its divisors is an integer number (6352499905860).

Almost surely, 2^{12704999811719} is an apocalyptic number.

12704999811719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704999811719 is an equidigital number, since it uses as much as digits as its factorization.

12704999811719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20575296, while the sum is 68.

The spelling of 12704999811719 in words is "twelve trillion, seven hundred four billion, nine hundred ninety-nine million, eight hundred eleven thousand, seven hundred nineteen".