6428805140843 has 2 divisors, whose sum is σ = 6428805140844. Its totient is φ = 6428805140842.

The previous prime is 6428805140827. The next prime is 6428805140861. The reversal of 6428805140843 is 3480415088246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6428805140843 - 2⁴ = 6428805140827 is a prime.

It is not a weakly prime, because it can be changed into another prime (6428805140873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214402570421 + 3214402570422.

It is an arithmetic number, because the mean of its divisors is an integer number (3214402570422).

Almost surely, 2^{6428805140843} is an apocalyptic number.

6428805140843 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428805140843 is an equidigital number, since it uses as much as digits as its factorization.

6428805140843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 6428805140843 in words is "six trillion, four hundred twenty-eight billion, eight hundred five million, one hundred forty thousand, eight hundred forty-three".