8491204071 has 48 divisors (see below), whose sum is σ = 14321049600. Its totient is φ = 4846096080.

The previous prime is 8491204039. The next prime is 8491204093. The reversal of 8491204071 is 1704021948.

It is not a de Polignac number, because 8491204071 - 2⁵ = 8491204039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8491204021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4021306 + ... + 4023416.

It is an arithmetic number, because the mean of its divisors is an integer number (298355200).

Almost surely, 2^8491204071 is an apocalyptic number.

8491204071 is a deficient number, since it is larger than the sum of its proper divisors (5829845529).

8491204071 is a wasteful number, since it uses less digits than its factorization.

8491204071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441 (or 3424 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8491204071 is about 92147.7296030673. The cubic root of 8491204071 is about 2040.1233482221.

The spelling of 8491204071 in words is "eight billion, four hundred ninety-one million, two hundred four thousand, seventy-one".