3201946009 has 2 divisors, whose sum is σ = 3201946010. Its totient is φ = 3201946008.

The previous prime is 3201945983. The next prime is 3201946021. The reversal of 3201946009 is 9006491023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3136336009 + 65610000 = 56003^2 + 8100^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201946009 - 2⁹ = 3201945497 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201976009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600973004 + 1600973005.

It is an arithmetic number, because the mean of its divisors is an integer number (1600973005).

Almost surely, 2^3201946009 is an apocalyptic number.

It is an amenable number.

3201946009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201946009 is an equidigital number, since it uses as much as digits as its factorization.

3201946009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3201946009 is about 56585.7403327022. The cubic root of 3201946009 is about 1473.9112538598.

The spelling of 3201946009 in words is "three billion, two hundred one million, nine hundred forty-six thousand, nine".