6705346309 has 4 divisors (see below), whose sum is σ = 6705515916. Its totient is φ = 6705176704.

The previous prime is 6705346253. The next prime is 6705346337. The reversal of 6705346309 is 9036435076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1705442209 + 4999904100 = 41297^2 + 70710^2 .

It is a cyclic number.

It is not a de Polignac number, because 6705346309 - 2⁹ = 6705345797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6705346369) 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 in 3 ways as a sum of consecutive naturals, for example, 9327 + ... + 116179.

It is an arithmetic number, because the mean of its divisors is an integer number (1676378979).

Almost surely, 2^6705346309 is an apocalyptic number.

It is an amenable number.

6705346309 is a deficient number, since it is larger than the sum of its proper divisors (169607).

6705346309 is a wasteful number, since it uses less digits than its factorization.

6705346309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169606.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 6705346309 is about 81886.1789864443. The cubic root of 6705346309 is about 1885.7049345777.

The spelling of 6705346309 in words is "six billion, seven hundred five million, three hundred forty-six thousand, three hundred nine".