2108571898 has 16 divisors (see below), whose sum is σ = 3190299840. Its totient is φ = 1045161216.

The previous prime is 2108571889. The next prime is 2108571917. The reversal of 2108571898 is 8981758012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196890 + ... + 207322.

It is an arithmetic number, because the mean of its divisors is an integer number (199393740).

Almost surely, 2^2108571898 is an apocalyptic number.

2108571898 is a deficient number, since it is larger than the sum of its proper divisors (1081727942).

2108571898 is a wasteful number, since it uses less digits than its factorization.

2108571898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11301.

The product of its (nonzero) digits is 322560, while the sum is 49.

The square root of 2108571898 is about 45919.1887776777. The cubic root of 2108571898 is about 1282.3191796314.

The spelling of 2108571898 in words is "two billion, one hundred eight million, five hundred seventy-one thousand, eight hundred ninety-eight".