8456673091 has 2 divisors, whose sum is σ = 8456673092. Its totient is φ = 8456673090.

The previous prime is 8456673089. The next prime is 8456673107. The reversal of 8456673091 is 1903766548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8456673091 - 2¹ = 8456673089 is a prime.

Together with 8456673089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8456673031) 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, 4228336545 + 4228336546.

It is an arithmetic number, because the mean of its divisors is an integer number (4228336546).

Almost surely, 2^8456673091 is an apocalyptic number.

8456673091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8456673091 is an equidigital number, since it uses as much as digits as its factorization.

8456673091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 8456673091 is about 91960.1712210237. The cubic root of 8456673091 is about 2037.3540837002.

The spelling of 8456673091 in words is "eight billion, four hundred fifty-six million, six hundred seventy-three thousand, ninety-one".