2108133898 has 8 divisors (see below), whose sum is σ = 3405447108. Its totient is φ = 972984864.

The previous prime is 2108133823. The next prime is 2108133919. The reversal of 2108133898 is 8983318012.

It can be written as a sum of positive squares in 2 ways, for example, as 1657548369 + 450585529 = 40713^2 + 21227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 40541011 + ... + 40541062.

Almost surely, 2^2108133898 is an apocalyptic number.

2108133898 is a deficient number, since it is larger than the sum of its proper divisors (1297313210).

2108133898 is a wasteful number, since it uses less digits than its factorization.

2108133898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81082088.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 2108133898 is about 45914.4192819641. The cubic root of 2108133898 is about 1282.2303841936.

The spelling of 2108133898 in words is "two billion, one hundred eight million, one hundred thirty-three thousand, eight hundred ninety-eight".