6808230139 has 2 divisors, whose sum is σ = 6808230140. Its totient is φ = 6808230138.

The previous prime is 6808230131. The next prime is 6808230179. The reversal of 6808230139 is 9310328086.

It is an a-pointer prime, because the next prime (6808230179) can be obtained adding 6808230139 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6808230139 - 2³ = 6808230131 is a prime.

It is not a weakly prime, because it can be changed into another prime (6808230131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404115069 + 3404115070.

It is an arithmetic number, because the mean of its divisors is an integer number (3404115070).

Almost surely, 2^6808230139 is an apocalyptic number.

6808230139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808230139 is an equidigital number, since it uses as much as digits as its factorization.

6808230139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6808230139 is about 82511.9999697014. Note that the first 4 decimals coincide. The cubic root of 6808230139 is about 1895.3004945788.

The spelling of 6808230139 in words is "six billion, eight hundred eight million, two hundred thirty thousand, one hundred thirty-nine".