6838509347 has 2 divisors, whose sum is σ = 6838509348. Its totient is φ = 6838509346.

The previous prime is 6838509331. The next prime is 6838509373. The reversal of 6838509347 is 7439058386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6838509347 - 2⁴ = 6838509331 is a prime.

It is not a weakly prime, because it can be changed into another prime (6838509397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419254673 + 3419254674.

It is an arithmetic number, because the mean of its divisors is an integer number (3419254674).

Almost surely, 2^6838509347 is an apocalyptic number.

6838509347 is a deficient number, since it is larger than the sum of its proper divisors (1).

6838509347 is an equidigital number, since it uses as much as digits as its factorization.

6838509347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 6838509347 is about 82695.2800769185. The cubic root of 6838509347 is about 1898.1060857247.

The spelling of 6838509347 in words is "six billion, eight hundred thirty-eight million, five hundred nine thousand, three hundred forty-seven".