2108379517 has 8 divisors (see below), whose sum is σ = 2252472800. Its totient is φ = 1967598864.

The previous prime is 2108379499. The next prime is 2108379521. The reversal of 2108379517 is 7159738012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2108379517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108379557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826842 + ... + 829387.

It is an arithmetic number, because the mean of its divisors is an integer number (281559100).

Almost surely, 2^2108379517 is an apocalyptic number.

It is an amenable number.

2108379517 is a deficient number, since it is larger than the sum of its proper divisors (144093283).

2108379517 is a wasteful number, since it uses less digits than its factorization.

2108379517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656315.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 2108379517 is about 45917.0939520349. The cubic root of 2108379517 is about 1282.2801798785.

The spelling of 2108379517 in words is "two billion, one hundred eight million, three hundred seventy-nine thousand, five hundred seventeen".