2043811698 has 16 divisors (see below), whose sum is σ = 4198100160. Its totient is φ = 662857776.

The previous prime is 2043811687. The next prime is 2043811699. The reversal of 2043811698 is 8961183402.

It is not an unprimeable number, because it can be changed into a prime (2043811699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4602958 + ... + 4603401.

It is an arithmetic number, because the mean of its divisors is an integer number (262381260).

Almost surely, 2^2043811698 is an apocalyptic number.

2043811698 is an abundant number, since it is smaller than the sum of its proper divisors (2154288462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043811698 is a wasteful number, since it uses less digits than its factorization.

2043811698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206401.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2043811698 is about 45208.5356763521. The cubic root of 2043811698 is about 1269.0545587123.

The spelling of 2043811698 in words is "two billion, forty-three million, eight hundred eleven thousand, six hundred ninety-eight".