8689409511 has 16 divisors (see below), whose sum is σ = 11750502624. Its totient is φ = 5710708224.

The previous prime is 8689409507. The next prime is 8689409527. The reversal of 8689409511 is 1159049868.

It is not a de Polignac number, because 8689409511 - 2² = 8689409507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689409501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481035 + ... + 498771.

It is an arithmetic number, because the mean of its divisors is an integer number (734406414).

Almost surely, 2^8689409511 is an apocalyptic number.

8689409511 is a deficient number, since it is larger than the sum of its proper divisors (3061093113).

8689409511 is a wasteful number, since it uses less digits than its factorization.

8689409511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050.

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 8689409511 is about 93217.0022635356. The cubic root of 8689409511 is about 2055.8752345945.

The spelling of 8689409511 in words is "eight billion, six hundred eighty-nine million, four hundred nine thousand, five hundred eleven".