2042943189 has 32 divisors (see below), whose sum is σ = 3162710016. Its totient is φ = 1148921280.

The previous prime is 2042943157. The next prime is 2042943223. The reversal of 2042943189 is 9813492402.

It is not a de Polignac number, because 2042943189 - 2⁵ = 2042943157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2042943189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042943109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349884 + ... + 355674.

It is an arithmetic number, because the mean of its divisors is an integer number (98834688).

Almost surely, 2^2042943189 is an apocalyptic number.

It is an amenable number.

2042943189 is a deficient number, since it is larger than the sum of its proper divisors (1119766827).

2042943189 is a wasteful number, since it uses less digits than its factorization.

2042943189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 2042943189 is about 45198.9290691715. The cubic root of 2042943189 is about 1268.8747734828.

The spelling of 2042943189 in words is "two billion, forty-two million, nine hundred forty-three thousand, one hundred eighty-nine".