8109556412 has 24 divisors (see below), whose sum is σ = 14234774400. Its totient is φ = 4042497456.

The previous prime is 8109556409. The next prime is 8109556439. The reversal of 8109556412 is 2146559018.

It is a super-3 number, since 3×8109556412³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8109556412.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2632289 + ... + 2635367.

It is an arithmetic number, because the mean of its divisors is an integer number (593115600).

Almost surely, 2^8109556412 is an apocalyptic number.

It is an amenable number.

8109556412 is a deficient number, since it is larger than the sum of its proper divisors (6125217988).

8109556412 is a wasteful number, since it uses less digits than its factorization.

8109556412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865 (or 4863 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 8109556412 is about 90053.0755277131. The cubic root of 8109556412 is about 2009.0883394862.

The spelling of 8109556412 in words is "eight billion, one hundred nine million, five hundred fifty-six thousand, four hundred twelve".