2105862485 has 16 divisors (see below), whose sum is σ = 2578044672. Its totient is φ = 1650969600.

The previous prime is 2105862481. The next prime is 2105862503. The reversal of 2105862485 is 5842685012.

It is a happy number.

It is not a de Polignac number, because 2105862485 - 2² = 2105862481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105862481) 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 15 ways as a sum of consecutive naturals, for example, 41525 + ... + 77045.

It is an arithmetic number, because the mean of its divisors is an integer number (161127792).

Almost surely, 2^2105862485 is an apocalyptic number.

It is an amenable number.

2105862485 is a deficient number, since it is larger than the sum of its proper divisors (472182187).

2105862485 is a wasteful number, since it uses less digits than its factorization.

2105862485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35764.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 2105862485 is about 45889.6773250804. The cubic root of 2105862485 is about 1281.7697048205.

The spelling of 2105862485 in words is "two billion, one hundred five million, eight hundred sixty-two thousand, four hundred eighty-five".