2105708068 has 12 divisors (see below), whose sum is σ = 3735468940. Its totient is φ = 1038431232.

The previous prime is 2105708057. The next prime is 2105708071. The reversal of 2105708068 is 8608075012.

It can be written as a sum of positive squares in 2 ways, for example, as 1066806244 + 1038901824 = 32662^2 + 32232^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3605373 + ... + 3605956.

Almost surely, 2^2105708068 is an apocalyptic number.

It is an amenable number.

2105708068 is a deficient number, since it is larger than the sum of its proper divisors (1629760872).

2105708068 is a wasteful number, since it uses less digits than its factorization.

2105708068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211406 (or 7211404 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 2105708068 is about 45887.9948134586. The cubic root of 2105708068 is about 1281.7383745268.

The spelling of 2105708068 in words is "two billion, one hundred five million, seven hundred eight thousand, sixty-eight".