2105708508 has 48 divisors (see below), whose sum is σ = 5462100000. Its totient is φ = 701535744.

The previous prime is 2105708503. The next prime is 2105708513. The reversal of 2105708508 is 8058075012.

2105708508 is a `hidden beast` number, since 2 + 1 + 0 + 570 + 85 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2105708503) and next prime (2105708513).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105708503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271468 + ... + 279116.

It is an arithmetic number, because the mean of its divisors is an integer number (113793750).

Almost surely, 2^2105708508 is an apocalyptic number.

It is an amenable number.

2105708508 is an abundant number, since it is smaller than the sum of its proper divisors (3356391492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105708508 is a wasteful number, since it uses less digits than its factorization.

2105708508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211 (or 10203 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 2105708508 is about 45887.9996077406. Note that the first 3 decimals coincide. The cubic root of 2105708508 is about 1281.7384638024.

Adding to 2105708508 its sum of digits (36), we get a square (2105708544 = 45888²).

The spelling of 2105708508 in words is "two billion, one hundred five million, seven hundred eight thousand, five hundred eight".