9081134473 has 2 divisors, whose sum is σ = 9081134474. Its totient is φ = 9081134472.

The previous prime is 9081134453. The next prime is 9081134509. The reversal of 9081134473 is 3744311809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8911926409 + 169208064 = 94403^2 + 13008^2 .

It is a cyclic number.

It is not a de Polignac number, because 9081134473 - 2⁵ = 9081134441 is a prime.

It is not a weakly prime, because it can be changed into another prime (9081134423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4540567236 + 4540567237.

It is an arithmetic number, because the mean of its divisors is an integer number (4540567237).

Almost surely, 2^9081134473 is an apocalyptic number.

It is an amenable number.

9081134473 is a deficient number, since it is larger than the sum of its proper divisors (1).

9081134473 is an equidigital number, since it uses as much as digits as its factorization.

9081134473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 9081134473 is about 95294.9866099996. The cubic root of 9081134473 is about 2086.3157448842.

The spelling of 9081134473 in words is "nine billion, eighty-one million, one hundred thirty-four thousand, four hundred seventy-three".