2004691143 has 32 divisors (see below), whose sum is σ = 3323708416. Its totient is φ = 1046504448.

The previous prime is 2004691099. The next prime is 2004691151. The reversal of 2004691143 is 3411964002.

It is not a de Polignac number, because 2004691143 - 2⁶ = 2004691079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2004691143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004691943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11371 + ... + 64332.

It is an arithmetic number, because the mean of its divisors is an integer number (103865888).

Almost surely, 2^2004691143 is an apocalyptic number.

2004691143 is a deficient number, since it is larger than the sum of its proper divisors (1319017273).

2004691143 is a wasteful number, since it uses less digits than its factorization.

2004691143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75823.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2004691143 is about 44773.7774037438. Note that the first 3 decimals coincide. The cubic root of 2004691143 is about 1260.9053590087.

The spelling of 2004691143 in words is "two billion, four million, six hundred ninety-one thousand, one hundred forty-three".