9491234171 has 2 divisors, whose sum is σ = 9491234172. Its totient is φ = 9491234170.

The previous prime is 9491234167. The next prime is 9491234189. The reversal of 9491234171 is 1714321949.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9491234171 - 2² = 9491234167 is a prime.

It is not a weakly prime, because it can be changed into another prime (9491264171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745617085 + 4745617086.

It is an arithmetic number, because the mean of its divisors is an integer number (4745617086).

Almost surely, 2^9491234171 is an apocalyptic number.

9491234171 is a deficient number, since it is larger than the sum of its proper divisors (1).

9491234171 is an equidigital number, since it uses as much as digits as its factorization.

9491234171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 9491234171 is about 97422.9653161923. The cubic root of 9491234171 is about 2117.2601792957.

The spelling of 9491234171 in words is "nine billion, four hundred ninety-one million, two hundred thirty-four thousand, one hundred seventy-one".