6426677843 has 2 divisors, whose sum is σ = 6426677844. Its totient is φ = 6426677842.

The previous prime is 6426677839. The next prime is 6426677903. The reversal of 6426677843 is 3487766246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6426677843 - 2² = 6426677839 is a prime.

It is not a weakly prime, because it can be changed into another prime (6426670843) 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, 3213338921 + 3213338922.

It is an arithmetic number, because the mean of its divisors is an integer number (3213338922).

Almost surely, 2^6426677843 is an apocalyptic number.

6426677843 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426677843 is an equidigital number, since it uses as much as digits as its factorization.

6426677843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 53.

The square root of 6426677843 is about 80166.5631232873. The cubic root of 6426677843 is about 1859.2116984594.

The spelling of 6426677843 in words is "six billion, four hundred twenty-six million, six hundred seventy-seven thousand, eight hundred forty-three".