109292819091 has 4 divisors (see below), whose sum is σ = 145723758792. Its totient is φ = 72861879392.

The previous prime is 109292819047. The next prime is 109292819131. The reversal of 109292819091 is 190918292901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109292819091 - 2⁷ = 109292818963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109292819591) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18215469846 + ... + 18215469851.

It is an arithmetic number, because the mean of its divisors is an integer number (36430939698).

Almost surely, 2^109292819091 is an apocalyptic number.

109292819091 is a deficient number, since it is larger than the sum of its proper divisors (36430939701).

109292819091 is an equidigital number, since it uses as much as digits as its factorization.

109292819091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36430939700.

The product of its (nonzero) digits is 209952, while the sum is 51.

The spelling of 109292819091 in words is "one hundred nine billion, two hundred ninety-two million, eight hundred nineteen thousand, ninety-one".