3943000067 has 2 divisors, whose sum is σ = 3943000068. Its totient is φ = 3943000066.

The previous prime is 3943000037. The next prime is 3943000069. The reversal of 3943000067 is 7600003493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3943000067 - 2²² = 3938805763 is a prime.

Together with 3943000069, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3942999997 and 3943000042.

It is not a weakly prime, because it can be changed into another prime (3943000069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971500033 + 1971500034.

It is an arithmetic number, because the mean of its divisors is an integer number (1971500034).

Almost surely, 2^3943000067 is an apocalyptic number.

3943000067 is a deficient number, since it is larger than the sum of its proper divisors (1).

3943000067 is an equidigital number, since it uses as much as digits as its factorization.

3943000067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 3943000067 is about 62793.3122792547. The cubic root of 3943000067 is about 1579.8248039200.

The spelling of 3943000067 in words is "three billion, nine hundred forty-three million, sixty-seven", and thus it is an aban number.