6837340309 has 4 divisors (see below), whose sum is σ = 6863945004. Its totient is φ = 6810735616.

The previous prime is 6837340291. The next prime is 6837340331. The reversal of 6837340309 is 9030437386.

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 3128164900 + 3709175409 = 55930^2 + 60903^2 .

It is a cyclic number.

It is not a de Polignac number, because 6837340309 - 2¹⁵ = 6837307541 is a prime.

It is a super-3 number, since 3×6837340309³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6837320309) 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, 13301962 + ... + 13302475.

It is an arithmetic number, because the mean of its divisors is an integer number (1715986251).

Almost surely, 2^6837340309 is an apocalyptic number.

It is an amenable number.

6837340309 is a deficient number, since it is larger than the sum of its proper divisors (26604695).

6837340309 is a wasteful number, since it uses less digits than its factorization.

6837340309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26604694.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 6837340309 is about 82688.2114270227. The cubic root of 6837340309 is about 1897.9979196277.

The spelling of 6837340309 in words is "six billion, eight hundred thirty-seven million, three hundred forty thousand, three hundred nine".