109509668844 has 24 divisors (see below), whose sum is σ = 256431901488. Its totient is φ = 36373317120.

The previous prime is 109509668759. The next prime is 109509668867. The reversal of 109509668844 is 448866905901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16234717 + ... + 16241460.

It is an arithmetic number, because the mean of its divisors is an integer number (10684662562).

Almost surely, 2^109509668844 is an apocalyptic number.

It is an amenable number.

109509668844 is an abundant number, since it is smaller than the sum of its proper divisors (146922232644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109509668844 is a wasteful number, since it uses less digits than its factorization.

109509668844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32476465 (or 32476463 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 109509668844 in words is "one hundred nine billion, five hundred nine million, six hundred sixty-eight thousand, eight hundred forty-four".