2108579109 has 16 divisors (see below), whose sum is σ = 3460232832. Its totient is φ = 1112217408.

The previous prime is 2108579107. The next prime is 2108579117. The reversal of 2108579109 is 9019758012.

It is not a de Polignac number, because 2108579109 - 2¹ = 2108579107 is a prime.

It is a super-2 number, since 2×2108579109² = 8892211717822467762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108579107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861594 + ... + 3862139.

It is an arithmetic number, because the mean of its divisors is an integer number (216264552).

Almost surely, 2^2108579109 is an apocalyptic number.

It is an amenable number.

2108579109 is a deficient number, since it is larger than the sum of its proper divisors (1351653723).

2108579109 is a wasteful number, since it uses less digits than its factorization.

2108579109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723756.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 2108579109 is about 45919.2672959837. The cubic root of 2108579109 is about 1282.3206414096.

The spelling of 2108579109 in words is "two billion, one hundred eight million, five hundred seventy-nine thousand, one hundred nine".