3345671809 has 2 divisors, whose sum is σ = 3345671810. Its totient is φ = 3345671808.

The previous prime is 3345671773. The next prime is 3345671837. The reversal of 3345671809 is 9081765433.

3345671809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347111809 + 998560000 = 48447^2 + 31600^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345671809 - 2¹⁹ = 3345147521 is a prime.

It is a super-2 number, since 2×3345671809² = 22387039707074664962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3345671309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672835904 + 1672835905.

It is an arithmetic number, because the mean of its divisors is an integer number (1672835905).

Almost surely, 2^3345671809 is an apocalyptic number.

It is an amenable number.

3345671809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345671809 is an equidigital number, since it uses as much as digits as its factorization.

3345671809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 3345671809 is about 57841.7825537906. The cubic root of 3345671809 is about 1495.6424361647.

The spelling of 3345671809 in words is "three billion, three hundred forty-five million, six hundred seventy-one thousand, eight hundred nine".