6706320109 has 4 divisors (see below), whose sum is σ = 6772719420. Its totient is φ = 6639920800.

The previous prime is 6706320107. The next prime is 6706320113. The reversal of 6706320109 is 9010236076.

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 6611316100 + 95004009 = 81310^2 + 9747^2 .

It is a cyclic number.

It is not a de Polignac number, because 6706320109 - 2¹ = 6706320107 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 (6706320107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33199504 + ... + 33199705.

It is an arithmetic number, because the mean of its divisors is an integer number (1693179855).

Almost surely, 2^6706320109 is an apocalyptic number.

It is an amenable number.

6706320109 is a deficient number, since it is larger than the sum of its proper divisors (66399311).

6706320109 is a wasteful number, since it uses less digits than its factorization.

6706320109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66399310.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 6706320109 is about 81892.1248289480. The cubic root of 6706320109 is about 1885.7962154997.

The spelling of 6706320109 in words is "six billion, seven hundred six million, three hundred twenty thousand, one hundred nine".