6430683109 has 4 divisors (see below), whose sum is σ = 6808958604. Its totient is φ = 6052407616.

The previous prime is 6430683107. The next prime is 6430683131. The reversal of 6430683109 is 9013860346.

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 4973352484 + 1457330625 = 70522^2 + 38175^2 .

It is a cyclic number.

It is not a de Polignac number, because 6430683109 - 2¹ = 6430683107 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 (6430683101) 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, 189137722 + ... + 189137755.

It is an arithmetic number, because the mean of its divisors is an integer number (1702239651).

Almost surely, 2^6430683109 is an apocalyptic number.

It is an amenable number.

6430683109 is a deficient number, since it is larger than the sum of its proper divisors (378275495).

6430683109 is a wasteful number, since it uses less digits than its factorization.

6430683109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378275494.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 6430683109 is about 80191.5401336076. The cubic root of 6430683109 is about 1859.5978539580.

The spelling of 6430683109 in words is "six billion, four hundred thirty million, six hundred eighty-three thousand, one hundred nine".