2068438843 has 2 divisors, whose sum is σ = 2068438844. Its totient is φ = 2068438842.

The previous prime is 2068438769. The next prime is 2068438849. The reversal of 2068438843 is 3488348602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2068438843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2068438793 and 2068438802.

It is not a weakly prime, because it can be changed into another prime (2068438849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034219421 + 1034219422.

It is an arithmetic number, because the mean of its divisors is an integer number (1034219422).

Almost surely, 2^2068438843 is an apocalyptic number.

2068438843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068438843 is an equidigital number, since it uses as much as digits as its factorization.

2068438843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 46.

The square root of 2068438843 is about 45480.0928209255. The cubic root of 2068438843 is about 1274.1314280167.

The spelling of 2068438843 in words is "two billion, sixty-eight million, four hundred thirty-eight thousand, eight hundred forty-three".