1066938959 has 2 divisors, whose sum is σ = 1066938960. Its totient is φ = 1066938958.

The previous prime is 1066938947. The next prime is 1066939001. The reversal of 1066938959 is 9598396601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066938959 - 2¹² = 1066934863 is a prime.

It is a super-2 number, since 2×1066938959² = 2276717484464007362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066931959) 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, 533469479 + 533469480.

It is an arithmetic number, because the mean of its divisors is an integer number (533469480).

Almost surely, 2^1066938959 is an apocalyptic number.

1066938959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066938959 is an equidigital number, since it uses as much as digits as its factorization.

1066938959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The square root of 1066938959 is about 32664.0315790932. The cubic root of 1066938959 is about 1021.8328442042.

The spelling of 1066938959 in words is "one billion, sixty-six million, nine hundred thirty-eight thousand, nine hundred fifty-nine".