109379885569 has 4 divisors (see below), whose sum is σ = 109383285760. Its totient is φ = 109376485380.

The previous prime is 109379885491. The next prime is 109379885579. The reversal of 109379885569 is 965588973901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109379885569 - 2¹¹ = 109379883521 is a prime.

It is a super-2 number, since 2×109379885569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109379885498 and 109379885507.

It is not an unprimeable number, because it can be changed into a prime (109379885579) 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, 1651377 + ... + 1716334.

It is an arithmetic number, because the mean of its divisors is an integer number (27345821440).

Almost surely, 2^109379885569 is an apocalyptic number.

It is an amenable number.

109379885569 is a deficient number, since it is larger than the sum of its proper divisors (3400191).

109379885569 is an equidigital number, since it uses as much as digits as its factorization.

109379885569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400190.

The product of its (nonzero) digits is 146966400, while the sum is 70.

The spelling of 109379885569 in words is "one hundred nine billion, three hundred seventy-nine million, eight hundred eighty-five thousand, five hundred sixty-nine".