8491689083 has 4 divisors (see below), whose sum is σ = 8566836888. Its totient is φ = 8416541280.

The previous prime is 8491689067. The next prime is 8491689119. The reversal of 8491689083 is 3809861948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8491689083 - 2⁴ = 8491689067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8491689053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37573733 + ... + 37573958.

It is an arithmetic number, because the mean of its divisors is an integer number (2141709222).

Almost surely, 2^8491689083 is an apocalyptic number.

8491689083 is a deficient number, since it is larger than the sum of its proper divisors (75147805).

8491689083 is a wasteful number, since it uses less digits than its factorization.

8491689083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75147804.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 8491689083 is about 92150.3612743868. The cubic root of 8491689083 is about 2040.1621909845.

The spelling of 8491689083 in words is "eight billion, four hundred ninety-one million, six hundred eighty-nine thousand, eighty-three".