12694738411 has 2 divisors, whose sum is σ = 12694738412. Its totient is φ = 12694738410.

The previous prime is 12694738391. The next prime is 12694738543. The reversal of 12694738411 is 11483749621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12694738411 - 2⁹ = 12694737899 is a prime.

It is a super-2 number, since 2×12694738411² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12694738811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347369205 + 6347369206.

It is an arithmetic number, because the mean of its divisors is an integer number (6347369206).

Almost surely, 2^12694738411 is an apocalyptic number.

12694738411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12694738411 is an equidigital number, since it uses as much as digits as its factorization.

12694738411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The spelling of 12694738411 in words is "twelve billion, six hundred ninety-four million, seven hundred thirty-eight thousand, four hundred eleven".