1968000443 has 2 divisors, whose sum is σ = 1968000444. Its totient is φ = 1968000442.

The previous prime is 1968000431. The next prime is 1968000469. The reversal of 1968000443 is 3440008691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1968000443 - 2¹⁰ = 1967999419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1968000473) 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, 984000221 + 984000222.

It is an arithmetic number, because the mean of its divisors is an integer number (984000222).

Almost surely, 2^1968000443 is an apocalyptic number.

1968000443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968000443 is an equidigital number, since it uses as much as digits as its factorization.

1968000443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1968000443 is about 44362.1510186330. The cubic root of 1968000443 is about 1253.1654052415.

The spelling of 1968000443 in words is "one billion, nine hundred sixty-eight million, four hundred forty-three", and thus it is an aban number.