2043839474 has 4 divisors (see below), whose sum is σ = 3065759214. Its totient is φ = 1021919736.

The previous prime is 2043839449. The next prime is 2043839491. The reversal of 2043839474 is 4749383402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4749383402 = 2 ⋅2374691701.

It can be written as a sum of positive squares in only one way, i.e., 1883994025 + 159845449 = 43405^2 + 12643^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 510959867 + ... + 510959870.

Almost surely, 2^2043839474 is an apocalyptic number.

2043839474 is a deficient number, since it is larger than the sum of its proper divisors (1021919740).

2043839474 is a wasteful number, since it uses less digits than its factorization.

2043839474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021919739.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 2043839474 is about 45208.8428739334. The cubic root of 2043839474 is about 1269.0603076274.

The spelling of 2043839474 in words is "two billion, forty-three million, eight hundred thirty-nine thousand, four hundred seventy-four".