6942322134809 has 2 divisors, whose sum is σ = 6942322134810. Its totient is φ = 6942322134808.

The previous prime is 6942322134767. The next prime is 6942322134833. The reversal of 6942322134809 is 9084312232496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5929088640784 + 1013233494025 = 2434972^2 + 1006595^2 .

It is a cyclic number.

It is not a de Polignac number, because 6942322134809 - 2⁴⁰ = 5842810507033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6942322137809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471161067404 + 3471161067405.

It is an arithmetic number, because the mean of its divisors is an integer number (3471161067405).

Almost surely, 2^{6942322134809} is an apocalyptic number.

It is an amenable number.

6942322134809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6942322134809 is an equidigital number, since it uses as much as digits as its factorization.

6942322134809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 6942322134809 in words is "six trillion, nine hundred forty-two billion, three hundred twenty-two million, one hundred thirty-four thousand, eight hundred nine".