8967121091 has 2 divisors, whose sum is σ = 8967121092. Its totient is φ = 8967121090.

The previous prime is 8967120997. The next prime is 8967121099. The reversal of 8967121091 is 1901217698.

8967121091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8967121091 - 2³⁰ = 7893379267 is a prime.

It is not a weakly prime, because it can be changed into another prime (8967121099) 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, 4483560545 + 4483560546.

It is an arithmetic number, because the mean of its divisors is an integer number (4483560546).

Almost surely, 2^8967121091 is an apocalyptic number.

8967121091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8967121091 is an equidigital number, since it uses as much as digits as its factorization.

8967121091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 44.

The square root of 8967121091 is about 94694.8841860002. The cubic root of 8967121091 is about 2077.5477364479.

The spelling of 8967121091 in words is "eight billion, nine hundred sixty-seven million, one hundred twenty-one thousand, ninety-one".