6916431839 has 2 divisors, whose sum is σ = 6916431840. Its totient is φ = 6916431838.

The previous prime is 6916431791. The next prime is 6916431853. The reversal of 6916431839 is 9381346196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6916431839 - 2¹² = 6916427743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6916431139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458215919 + 3458215920.

It is an arithmetic number, because the mean of its divisors is an integer number (3458215920).

Almost surely, 2^6916431839 is an apocalyptic number.

6916431839 is a deficient number, since it is larger than the sum of its proper divisors (1).

6916431839 is an equidigital number, since it uses as much as digits as its factorization.

6916431839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 6916431839 is about 83165.0878614338. The cubic root of 6916431839 is about 1905.2882995630.

The spelling of 6916431839 in words is "six billion, nine hundred sixteen million, four hundred thirty-one thousand, eight hundred thirty-nine".