2143204195 has 64 divisors (see below), whose sum is σ = 3080695680. Its totient is φ = 1413734400.

The previous prime is 2143204187. The next prime is 2143204201. The reversal of 2143204195 is 5914023412.

It is not a de Polignac number, because 2143204195 - 2³ = 2143204187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3022501 + ... + 3023209.

It is an arithmetic number, because the mean of its divisors is an integer number (48135870).

Almost surely, 2^2143204195 is an apocalyptic number.

2143204195 is a deficient number, since it is larger than the sum of its proper divisors (937491485).

2143204195 is a wasteful number, since it uses less digits than its factorization.

2143204195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2143204195 is about 46294.7534284394. The cubic root of 2143204195 is about 1289.3015859671.

The spelling of 2143204195 in words is "two billion, one hundred forty-three million, two hundred four thousand, one hundred ninety-five".