9475000091 has 2 divisors, whose sum is σ = 9475000092. Its totient is φ = 9475000090.

The previous prime is 9475000079. The next prime is 9475000097. The reversal of 9475000091 is 1900005749.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9475000091 - 2⁶ = 9475000027 is a prime.

It is not a weakly prime, because it can be changed into another prime (9475000097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4737500045 + 4737500046.

It is an arithmetic number, because the mean of its divisors is an integer number (4737500046).

Almost surely, 2^9475000091 is an apocalyptic number.

9475000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9475000091 is an equidigital number, since it uses as much as digits as its factorization.

9475000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 9475000091 is about 97339.6121370945. The cubic root of 9475000091 is about 2116.0523494892.

The spelling of 9475000091 in words is "nine billion, four hundred seventy-five million, ninety-one", and thus it is an aban number.