1068435089 has 2 divisors, whose sum is σ = 1068435090. Its totient is φ = 1068435088.

The previous prime is 1068435073. The next prime is 1068435107. The reversal of 1068435089 is 9805348601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719044225 + 349390864 = 26815^2 + 18692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068435089 - 2⁴ = 1068435073 is a prime.

It is a super-2 number, since 2×1068435089² = 2283107078812875842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068435029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534217544 + 534217545.

It is an arithmetic number, because the mean of its divisors is an integer number (534217545).

Almost surely, 2^1068435089 is an apocalyptic number.

It is an amenable number.

1068435089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068435089 is an equidigital number, since it uses as much as digits as its factorization.

1068435089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1068435089 is about 32686.9253525014. The cubic root of 1068435089 is about 1022.3102475662.

The spelling of 1068435089 in words is "one billion, sixty-eight million, four hundred thirty-five thousand, eighty-nine".