6804930137 has 2 divisors, whose sum is σ = 6804930138. Its totient is φ = 6804930136.

The previous prime is 6804930049. The next prime is 6804930179. The reversal of 6804930137 is 7310394086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4383896521 + 2421033616 = 66211^2 + 49204^2 .

It is a cyclic number.

It is not a de Polignac number, because 6804930137 - 2²² = 6800735833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6804930094 and 6804930103.

It is not a weakly prime, because it can be changed into another prime (6804930037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402465068 + 3402465069.

It is an arithmetic number, because the mean of its divisors is an integer number (3402465069).

Almost surely, 2^6804930137 is an apocalyptic number.

It is an amenable number.

6804930137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6804930137 is an equidigital number, since it uses as much as digits as its factorization.

6804930137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6804930137 is about 82492.0004424671. Note that the first 3 decimals coincide. The cubic root of 6804930137 is about 1894.9942228018.

The spelling of 6804930137 in words is "six billion, eight hundred four million, nine hundred thirty thousand, one hundred thirty-seven".