2108914939 has 4 divisors (see below), whose sum is σ = 2144659320. Its totient is φ = 2073170560.

The previous prime is 2108914867. The next prime is 2108914963. The reversal of 2108914939 is 9394198012.

It is a happy number.

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 2108914939 - 2¹¹ = 2108912891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108914979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17872102 + ... + 17872219.

It is an arithmetic number, because the mean of its divisors is an integer number (536164830).

Almost surely, 2^2108914939 is an apocalyptic number.

2108914939 is a deficient number, since it is larger than the sum of its proper divisors (35744381).

2108914939 is an equidigital number, since it uses as much as digits as its factorization.

2108914939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35744380.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 2108914939 is about 45922.9238942818. The cubic root of 2108914939 is about 1282.3887155104.

The spelling of 2108914939 in words is "two billion, one hundred eight million, nine hundred fourteen thousand, nine hundred thirty-nine".