7068216091 has 2 divisors, whose sum is σ = 7068216092. Its totient is φ = 7068216090.

The previous prime is 7068216059. The next prime is 7068216143. The reversal of 7068216091 is 1906128607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7068216091 - 2⁵ = 7068216059 is a prime.

It is not a weakly prime, because it can be changed into another prime (7068216041) 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, 3534108045 + 3534108046.

It is an arithmetic number, because the mean of its divisors is an integer number (3534108046).

Almost surely, 2^7068216091 is an apocalyptic number.

7068216091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7068216091 is an equidigital number, since it uses as much as digits as its factorization.

7068216091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 7068216091 is about 84072.6833817025. The cubic root of 7068216091 is about 1919.1250435935.

The spelling of 7068216091 in words is "seven billion, sixty-eight million, two hundred sixteen thousand, ninety-one".