6688341091 has 2 divisors, whose sum is σ = 6688341092. Its totient is φ = 6688341090.

The previous prime is 6688341073. The next prime is 6688341119. The reversal of 6688341091 is 1901438866.

6688341091 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 not a de Polignac number, because 6688341091 - 2¹¹ = 6688339043 is a prime.

It is not a weakly prime, because it can be changed into another prime (6688341061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3344170545 + 3344170546.

It is an arithmetic number, because the mean of its divisors is an integer number (3344170546).

Almost surely, 2^6688341091 is an apocalyptic number.

6688341091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6688341091 is an equidigital number, since it uses as much as digits as its factorization.

6688341091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 6688341091 is about 81782.2785877234. The cubic root of 6688341091 is about 1884.1094927635.

The spelling of 6688341091 in words is "six billion, six hundred eighty-eight million, three hundred forty-one thousand, ninety-one".