9101009089 has 2 divisors, whose sum is σ = 9101009090. Its totient is φ = 9101009088.

The previous prime is 9101009053. The next prime is 9101009111. The reversal of 9101009089 is 9809001019.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8984196225 + 116812864 = 94785^2 + 10808^2 .

It is an emirp because it is prime and its reverse (9809001019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9101009089 - 2⁹ = 9101008577 is a prime.

It is not a weakly prime, because it can be changed into another prime (9101009989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4550504544 + 4550504545.

It is an arithmetic number, because the mean of its divisors is an integer number (4550504545).

Almost surely, 2^9101009089 is an apocalyptic number.

It is an amenable number.

9101009089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9101009089 is an equidigital number, since it uses as much as digits as its factorization.

9101009089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 9101009089 is about 95399.2090585661. The cubic root of 9101009089 is about 2087.8366455960.

The spelling of 9101009089 in words is "nine billion, one hundred one million, nine thousand, eighty-nine".