6839611376947 has 2 divisors, whose sum is σ = 6839611376948. Its totient is φ = 6839611376946.

The previous prime is 6839611376849. The next prime is 6839611376987. The reversal of 6839611376947 is 7496731169386.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6839611376947 is a prime.

It is not a weakly prime, because it can be changed into another prime (6839611376987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419805688473 + 3419805688474.

It is an arithmetic number, because the mean of its divisors is an integer number (3419805688474).

Almost surely, 2^{6839611376947} is an apocalyptic number.

6839611376947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6839611376947 is an equidigital number, since it uses as much as digits as its factorization.

6839611376947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246903552, while the sum is 70.

The spelling of 6839611376947 in words is "six trillion, eight hundred thirty-nine billion, six hundred eleven million, three hundred seventy-six thousand, nine hundred forty-seven".