2043888964 has 24 divisors (see below), whose sum is σ = 3854043648. Its totient is φ = 942819360.

The previous prime is 2043888923. The next prime is 2043888989. The reversal of 2043888964 is 4698883402.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95709 + ... + 115099.

It is an arithmetic number, because the mean of its divisors is an integer number (160585152).

Almost surely, 2^2043888964 is an apocalyptic number.

It is an amenable number.

2043888964 is a deficient number, since it is larger than the sum of its proper divisors (1810154684).

2043888964 is a wasteful number, since it uses less digits than its factorization.

2043888964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435 (or 21433 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The square root of 2043888964 is about 45209.3902192896. The cubic root of 2043888964 is about 1269.0705506510.

The spelling of 2043888964 in words is "two billion, forty-three million, eight hundred eighty-eight thousand, nine hundred sixty-four".