6429968856833 has 2 divisors, whose sum is σ = 6429968856834. Its totient is φ = 6429968856832.

The previous prime is 6429968856827. The next prime is 6429968856869. The reversal of 6429968856833 is 3386588699246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6426995663104 + 2973193729 = 2535152^2 + 54527^2 .

It is a cyclic number.

It is not a de Polignac number, because 6429968856833 - 2¹² = 6429968852737 is a prime.

It is not a weakly prime, because it can be changed into another prime (6429968856803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214984428416 + 3214984428417.

It is an arithmetic number, because the mean of its divisors is an integer number (3214984428417).

Almost surely, 2^{6429968856833} is an apocalyptic number.

It is an amenable number.

6429968856833 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429968856833 is an equidigital number, since it uses as much as digits as its factorization.

6429968856833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3224862720, while the sum is 77.

The spelling of 6429968856833 in words is "six trillion, four hundred twenty-nine billion, nine hundred sixty-eight million, eight hundred fifty-six thousand, eight hundred thirty-three".