6686368043 has 2 divisors, whose sum is σ = 6686368044. Its totient is φ = 6686368042.

The previous prime is 6686367983. The next prime is 6686368057. The reversal of 6686368043 is 3408636866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6686368043 - 2¹⁶ = 6686302507 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6686367982 and 6686368000.

It is not a weakly prime, because it can be changed into another prime (6686368063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3343184021 + 3343184022.

It is an arithmetic number, because the mean of its divisors is an integer number (3343184022).

Almost surely, 2^6686368043 is an apocalyptic number.

6686368043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6686368043 is an equidigital number, since it uses as much as digits as its factorization.

6686368043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The square root of 6686368043 is about 81770.2148890414. The cubic root of 6686368043 is about 1883.9242049608.

The spelling of 6686368043 in words is "six billion, six hundred eighty-six million, three hundred sixty-eight thousand, forty-three".