2110391539 has 4 divisors (see below), whose sum is σ = 2159470456. Its totient is φ = 2061312624.

The previous prime is 2110391513. The next prime is 2110391551. The reversal of 2110391539 is 9351930112.

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 2110391539 - 2⁹ = 2110391027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110391839) 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, 24539394 + ... + 24539479.

It is an arithmetic number, because the mean of its divisors is an integer number (539867614).

Almost surely, 2^2110391539 is an apocalyptic number.

2110391539 is a deficient number, since it is larger than the sum of its proper divisors (49078917).

2110391539 is an equidigital number, since it uses as much as digits as its factorization.

2110391539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49078916.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 2110391539 is about 45938.9980191123. The cubic root of 2110391539 is about 1282.6879425951.

The spelling of 2110391539 in words is "two billion, one hundred ten million, three hundred ninety-one thousand, five hundred thirty-nine".