109642965822 has 80 divisors (see below), whose sum is σ = 264688733232. Its totient is φ = 33722438400.

The previous prime is 109642965811. The next prime is 109642965823. The reversal of 109642965822 is 228569246901.

109642965822 is a `hidden beast` number, since 10 + 9 + 6 + 42 + 9 + 6 + 582 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109642965823) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5889613 + ... + 5908199.

Almost surely, 2^109642965822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109642965822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132344366616).

109642965822 is an abundant number, since it is smaller than the sum of its proper divisors (155045767410).

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

109642965822 is a wasteful number, since it uses less digits than its factorization.

109642965822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21415 (or 21406 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 109642965822 in words is "one hundred nine billion, six hundred forty-two million, nine hundred sixty-five thousand, eight hundred twenty-two".