6834936643 has 2 divisors, whose sum is σ = 6834936644. Its totient is φ = 6834936642.

The previous prime is 6834936617. The next prime is 6834936737. The reversal of 6834936643 is 3466394386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6834936643 - 2²⁹ = 6298065731 is a prime.

It is not a weakly prime, because it can be changed into another prime (6834936613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3417468321 + 3417468322.

It is an arithmetic number, because the mean of its divisors is an integer number (3417468322).

Almost surely, 2^6834936643 is an apocalyptic number.

6834936643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6834936643 is an equidigital number, since it uses as much as digits as its factorization.

6834936643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 52.

The square root of 6834936643 is about 82673.6756349928. The cubic root of 6834936643 is about 1897.7754799278.

The spelling of 6834936643 in words is "six billion, eight hundred thirty-four million, nine hundred thirty-six thousand, six hundred forty-three".