1689000067 has 2 divisors, whose sum is σ = 1689000068. Its totient is φ = 1689000066.

The previous prime is 1688999999. The next prime is 1689000097. The reversal of 1689000067 is 7600009861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1689000067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1689000097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 844500033 + 844500034.

It is an arithmetic number, because the mean of its divisors is an integer number (844500034).

Almost surely, 2^1689000067 is an apocalyptic number.

1689000067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1689000067 is an equidigital number, since it uses as much as digits as its factorization.

1689000067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1689000067 is about 41097.4459912049. The cubic root of 1689000067 is about 1190.9034560439.

The spelling of 1689000067 in words is "one billion, six hundred eighty-nine million, sixty-seven", and thus it is an aban number.