6543434311 has 2 divisors, whose sum is σ = 6543434312. Its totient is φ = 6543434310.

The previous prime is 6543434299. The next prime is 6543434323. The reversal of 6543434311 is 1134343456.

It is a balanced prime because it is at equal distance from previous prime (6543434299) and next prime (6543434323).

It is a cyclic number.

It is not a de Polignac number, because 6543434311 - 2²³ = 6535045703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6543434341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271717155 + 3271717156.

It is an arithmetic number, because the mean of its divisors is an integer number (3271717156).

Almost surely, 2^6543434311 is an apocalyptic number.

6543434311 is a deficient number, since it is larger than the sum of its proper divisors (1).

6543434311 is an equidigital number, since it uses as much as digits as its factorization.

6543434311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 6543434311 is about 80891.4971489587. The cubic root of 6543434311 is about 1870.4032522786.

Adding to 6543434311 its reverse (1134343456), we get a palindrome (7677777767).

The spelling of 6543434311 in words is "six billion, five hundred forty-three million, four hundred thirty-four thousand, three hundred eleven".