2043888966 has 48 divisors (see below), whose sum is σ = 5067657504. Its totient is φ = 583206912.

The previous prime is 2043888923. The next prime is 2043888989. The reversal of 2043888966 is 6698883402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90246 + ... + 110598.

It is an arithmetic number, because the mean of its divisors is an integer number (105576198).

Almost surely, 2^2043888966 is an apocalyptic number.

2043888966 is an abundant number, since it is smaller than the sum of its proper divisors (3023768538).

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

2043888966 is a wasteful number, since it uses less digits than its factorization.

2043888966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21165 (or 21162 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 2043888966 is about 45209.3902414089. The cubic root of 2043888966 is about 1269.0705510649.

The spelling of 2043888966 in words is "two billion, forty-three million, eight hundred eighty-eight thousand, nine hundred sixty-six".