3365620409 has 2 divisors, whose sum is σ = 3365620410. Its totient is φ = 3365620408.

The previous prime is 3365620393. The next prime is 3365620477. The reversal of 3365620409 is 9040265633.

3365620409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3123133225 + 242487184 = 55885^2 + 15572^2 .

It is a cyclic number.

It is not a de Polignac number, because 3365620409 - 2⁴ = 3365620393 is a prime.

It is a super-2 number, since 2×3365620409² = 22654801474954654562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3365623409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682810204 + 1682810205.

It is an arithmetic number, because the mean of its divisors is an integer number (1682810205).

Almost surely, 2^3365620409 is an apocalyptic number.

It is an amenable number.

3365620409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3365620409 is an equidigital number, since it uses as much as digits as its factorization.

3365620409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 3365620409 is about 58013.9673613174. The cubic root of 3365620409 is about 1498.6091417037.

The spelling of 3365620409 in words is "three billion, three hundred sixty-five million, six hundred twenty thousand, four hundred nine".