3405743309 has 2 divisors, whose sum is σ = 3405743310. Its totient is φ = 3405743308.

The previous prime is 3405743303. The next prime is 3405743333. The reversal of 3405743309 is 9033475043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3021700900 + 384042409 = 54970^2 + 19597^2 .

It is an emirp because it is prime and its reverse (9033475043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3405743309 - 2²⁸ = 3137307853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3405743303) 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, 1702871654 + 1702871655.

It is an arithmetic number, because the mean of its divisors is an integer number (1702871655).

Almost surely, 2^3405743309 is an apocalyptic number.

It is an amenable number.

3405743309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405743309 is an equidigital number, since it uses as much as digits as its factorization.

3405743309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 3405743309 is about 58358.7466366439. The cubic root of 3405743309 is about 1504.5408044888.

The spelling of 3405743309 in words is "three billion, four hundred five million, seven hundred forty-three thousand, three hundred nine".