6486421079 has 2 divisors, whose sum is σ = 6486421080. Its totient is φ = 6486421078.

The previous prime is 6486421021. The next prime is 6486421093. The reversal of 6486421079 is 9701246846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6486421079 - 2¹² = 6486416983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6486421979) 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, 3243210539 + 3243210540.

It is an arithmetic number, because the mean of its divisors is an integer number (3243210540).

Almost surely, 2^6486421079 is an apocalyptic number.

6486421079 is a deficient number, since it is larger than the sum of its proper divisors (1).

6486421079 is an equidigital number, since it uses as much as digits as its factorization.

6486421079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 6486421079 is about 80538.3205623261. The cubic root of 6486421079 is about 1864.9550961308.

The spelling of 6486421079 in words is "six billion, four hundred eighty-six million, four hundred twenty-one thousand, seventy-nine".