109568689869 has 8 divisors (see below), whose sum is σ = 153780617440. Its totient is φ = 69201277776.

The previous prime is 109568689859. The next prime is 109568689897. The reversal of 109568689869 is 968986865901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109568689869 - 2¹¹ = 109568687821 is a prime.

It is a super-2 number, since 2×109568689869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109568689869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109568689859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961128802 + ... + 961128915.

It is an arithmetic number, because the mean of its divisors is an integer number (19222577180).

Almost surely, 2^109568689869 is an apocalyptic number.

109568689869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

109568689869 is a deficient number, since it is larger than the sum of its proper divisors (44211927571).

109568689869 is a wasteful number, since it uses less digits than its factorization.

109568689869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922257739.

The product of its (nonzero) digits is 403107840, while the sum is 75.

The spelling of 109568689869 in words is "one hundred nine billion, five hundred sixty-eight million, six hundred eighty-nine thousand, eight hundred sixty-nine".