109689313050 has 96 divisors (see below), whose sum is σ = 305986844160. Its totient is φ = 29250454320.

The previous prime is 109689313049. The next prime is 109689313081. The reversal of 109689313050 is 50313986901.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 109689312987 and 109689313005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392202 + ... + 610901.

It is an arithmetic number, because the mean of its divisors is an integer number (3187362960).

Almost surely, 2^109689313050 is an apocalyptic number.

109689313050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109689313050 is an abundant number, since it is smaller than the sum of its proper divisors (196297531110).

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

109689313050 is an equidigital number, since it uses as much as digits as its factorization.

109689313050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003136 (or 1003113 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 109689313050 in words is "one hundred nine billion, six hundred eighty-nine million, three hundred thirteen thousand, fifty".