8340841689 has 4 divisors (see below), whose sum is σ = 11121122256. Its totient is φ = 5560561124.

The previous prime is 8340841687. The next prime is 8340841697. The reversal of 8340841689 is 9861480438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8340841689 - 2¹ = 8340841687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8340841687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390140279 + ... + 1390140284.

It is an arithmetic number, because the mean of its divisors is an integer number (2780280564).

Almost surely, 2^8340841689 is an apocalyptic number.

It is an amenable number.

8340841689 is a deficient number, since it is larger than the sum of its proper divisors (2780280567).

8340841689 is a wasteful number, since it uses less digits than its factorization.

8340841689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780280566.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 8340841689 is about 91328.2086159583. The cubic root of 8340841689 is about 2028.0093802207.

The spelling of 8340841689 in words is "eight billion, three hundred forty million, eight hundred forty-one thousand, six hundred eighty-nine".