6451671311 has 2 divisors, whose sum is σ = 6451671312. Its totient is φ = 6451671310.

The previous prime is 6451671271. The next prime is 6451671313. The reversal of 6451671311 is 1131761546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6451671311 is a prime.

Together with 6451671313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6451671313) 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, 3225835655 + 3225835656.

It is an arithmetic number, because the mean of its divisors is an integer number (3225835656).

Almost surely, 2^6451671311 is an apocalyptic number.

6451671311 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451671311 is an equidigital number, since it uses as much as digits as its factorization.

6451671311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 6451671311 is about 80322.2964748892. The cubic root of 6451671311 is about 1861.6187502594.

The spelling of 6451671311 in words is "six billion, four hundred fifty-one million, six hundred seventy-one thousand, three hundred eleven".