6807133979 has 2 divisors, whose sum is σ = 6807133980. Its totient is φ = 6807133978.

The previous prime is 6807133969. The next prime is 6807134077. The reversal of 6807133979 is 9793317086.

It is a happy number.

6807133979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6807133979 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6807133979.

It is not a weakly prime, because it can be changed into another prime (6807133919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403566989 + 3403566990.

It is an arithmetic number, because the mean of its divisors is an integer number (3403566990).

Almost surely, 2^6807133979 is an apocalyptic number.

6807133979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6807133979 is an equidigital number, since it uses as much as digits as its factorization.

6807133979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 6807133979 is about 82505.3572745431. The cubic root of 6807133979 is about 1895.1987714165.

The spelling of 6807133979 in words is "six billion, eight hundred seven million, one hundred thirty-three thousand, nine hundred seventy-nine".