1968000043 has 2 divisors, whose sum is σ = 1968000044. Its totient is φ = 1968000042.

The previous prime is 1968000011. The next prime is 1968000061. The reversal of 1968000043 is 3400008691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1968000043 - 2⁵ = 1968000011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1967999969 and 1968000014.

It is not a weakly prime, because it can be changed into another prime (1968000443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984000021 + 984000022.

It is an arithmetic number, because the mean of its divisors is an integer number (984000022).

Almost surely, 2^1968000043 is an apocalyptic number.

1968000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968000043 is an equidigital number, since it uses as much as digits as its factorization.

1968000043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1968000043 is about 44362.1465102851. The cubic root of 1968000043 is about 1253.1653203387.

The spelling of 1968000043 in words is "one billion, nine hundred sixty-eight million, forty-three", and thus it is an aban number.