6430840430071 has 2 divisors, whose sum is σ = 6430840430072. Its totient is φ = 6430840430070.

The previous prime is 6430840430059. The next prime is 6430840430081. The reversal of 6430840430071 is 1700340480346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6430840430071 - 2¹⁹ = 6430839905783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6430840430041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215420215035 + 3215420215036.

It is an arithmetic number, because the mean of its divisors is an integer number (3215420215036).

Almost surely, 2^{6430840430071} is an apocalyptic number.

6430840430071 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430840430071 is an equidigital number, since it uses as much as digits as its factorization.

6430840430071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 6430840430071 in words is "six trillion, four hundred thirty billion, eight hundred forty million, four hundred thirty thousand, seventy-one".