6808880381 has 2 divisors, whose sum is σ = 6808880382. Its totient is φ = 6808880380.

The previous prime is 6808880369. The next prime is 6808880399. The reversal of 6808880381 is 1830888086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6362614756 + 446265625 = 79766^2 + 21125^2 .

It is a cyclic number.

It is not a de Polignac number, because 6808880381 - 2³⁰ = 5735138557 is a prime.

It is a super-2 number, since 2×6808880381² = 92721704085533410322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6808883381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404440190 + 3404440191.

It is an arithmetic number, because the mean of its divisors is an integer number (3404440191).

Almost surely, 2^6808880381 is an apocalyptic number.

It is an amenable number.

6808880381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808880381 is an equidigital number, since it uses as much as digits as its factorization.

6808880381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 50.

The square root of 6808880381 is about 82515.9401630982. The cubic root of 6808880381 is about 1895.3608315889.

The spelling of 6808880381 in words is "six billion, eight hundred eight million, eight hundred eighty thousand, three hundred eighty-one".