6785488091 has 2 divisors, whose sum is σ = 6785488092. Its totient is φ = 6785488090.

The previous prime is 6785488027. The next prime is 6785488093. The reversal of 6785488091 is 1908845876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6785488091 - 2⁶ = 6785488027 is a prime.

Together with 6785488093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6785488093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3392744045 + 3392744046.

It is an arithmetic number, because the mean of its divisors is an integer number (3392744046).

Almost surely, 2^6785488091 is an apocalyptic number.

6785488091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6785488091 is an equidigital number, since it uses as much as digits as its factorization.

6785488091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The square root of 6785488091 is about 82374.0741435071. The cubic root of 6785488091 is about 1893.1878017238.

The spelling of 6785488091 in words is "six billion, seven hundred eighty-five million, four hundred eighty-eight thousand, ninety-one".