842620456343 has 2 divisors, whose sum is σ = 842620456344. Its totient is φ = 842620456342.

The previous prime is 842620456331. The next prime is 842620456397. The reversal of 842620456343 is 343654026248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842620456343 - 2¹⁰ = 842620455319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842620456243) 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, 421310228171 + 421310228172.

It is an arithmetic number, because the mean of its divisors is an integer number (421310228172).

Almost surely, 2^842620456343 is an apocalyptic number.

842620456343 is a deficient number, since it is larger than the sum of its proper divisors (1).

842620456343 is an equidigital number, since it uses as much as digits as its factorization.

842620456343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 842620456343 in words is "eight hundred forty-two billion, six hundred twenty million, four hundred fifty-six thousand, three hundred forty-three".