2102056858 has 16 divisors (see below), whose sum is σ = 3512916864. Its totient is φ = 935150560.

The previous prime is 2102056841. The next prime is 2102056867. The reversal of 2102056858 is 8586502012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015435 + ... + 1017502.

It is an arithmetic number, because the mean of its divisors is an integer number (219557304).

Almost surely, 2^2102056858 is an apocalyptic number.

2102056858 is a deficient number, since it is larger than the sum of its proper divisors (1410860006).

2102056858 is a wasteful number, since it uses less digits than its factorization.

2102056858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032997.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 2102056858 is about 45848.1936176334. The cubic root of 2102056858 is about 1280.9971189582.

The spelling of 2102056858 in words is "two billion, one hundred two million, fifty-six thousand, eight hundred fifty-eight".