2111680898 has 4 divisors (see below), whose sum is σ = 3167521350. Its totient is φ = 1055840448.

The previous prime is 2111680889. The next prime is 2111680903. The reversal of 2111680898 is 8980861112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1923085609 + 188595289 = 43853^2 + 13733^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527920223 + ... + 527920226.

Almost surely, 2^2111680898 is an apocalyptic number.

2111680898 is a deficient number, since it is larger than the sum of its proper divisors (1055840452).

2111680898 is a wasteful number, since it uses less digits than its factorization.

2111680898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055840451.

The product of its (nonzero) digits is 55296, while the sum is 44.

The square root of 2111680898 is about 45953.0292581458. The cubic root of 2111680898 is about 1282.9491119117.

The spelling of 2111680898 in words is "two billion, one hundred eleven million, six hundred eighty thousand, eight hundred ninety-eight".