3332643409 has 2 divisors, whose sum is σ = 3332643410. Its totient is φ = 3332643408.

The previous prime is 3332643401. The next prime is 3332643463. The reversal of 3332643409 is 9043462333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3194510400 + 138133009 = 56520^2 + 11753^2 .

It is an emirp because it is prime and its reverse (9043462333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3332643409 - 2³ = 3332643401 is a prime.

It is a super-2 number, since 2×3332643409² = 22213024183102282562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3332643401) 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, 1666321704 + 1666321705.

It is an arithmetic number, because the mean of its divisors is an integer number (1666321705).

Almost surely, 2^3332643409 is an apocalyptic number.

It is an amenable number.

3332643409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3332643409 is an equidigital number, since it uses as much as digits as its factorization.

3332643409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 37.

The square root of 3332643409 is about 57729.0516897688. The cubic root of 3332643409 is about 1493.6985140684.

The spelling of 3332643409 in words is "three billion, three hundred thirty-two million, six hundred forty-three thousand, four hundred nine".