8604682091 has 4 divisors (see below), whose sum is σ = 8605641000. Its totient is φ = 8603723184.

The previous prime is 8604682067. The next prime is 8604682117. The reversal of 8604682091 is 1902864068.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8604682091 is a prime.

It is a super-2 number, since 2×8604682091² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8604682391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465866 + ... + 483983.

It is an arithmetic number, because the mean of its divisors is an integer number (2151410250).

Almost surely, 2^8604682091 is an apocalyptic number.

8604682091 is a deficient number, since it is larger than the sum of its proper divisors (958909).

8604682091 is an equidigital number, since it uses as much as digits as its factorization.

8604682091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958908.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 8604682091 is about 92761.4256628260. The cubic root of 8604682091 is about 2049.1713558330.

The spelling of 8604682091 in words is "eight billion, six hundred four million, six hundred eighty-two thousand, ninety-one".