2143204194 has 32 divisors (see below), whose sum is σ = 4435421760. Its totient is φ = 689939712.

The previous prime is 2143204187. The next prime is 2143204201. The reversal of 2143204194 is 4914023412.

It is an interprime number because it is at equal distance from previous prime (2143204187) and next prime (2143204201).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23707 + ... + 69630.

It is an arithmetic number, because the mean of its divisors is an integer number (138606930).

Almost surely, 2^2143204194 is an apocalyptic number.

2143204194 is an abundant number, since it is smaller than the sum of its proper divisors (2292217566).

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

2143204194 is a wasteful number, since it uses less digits than its factorization.

2143204194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93474.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2143204194 is about 46294.7534176390. The cubic root of 2143204194 is about 1289.3015857666.

The spelling of 2143204194 in words is "two billion, one hundred forty-three million, two hundred four thousand, one hundred ninety-four".