2144574968 has 16 divisors (see below), whose sum is σ = 4029480000. Its totient is φ = 1070046976.

The previous prime is 2144574937. The next prime is 2144574977. The reversal of 2144574968 is 8694754412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275993 + ... + 283656.

It is an arithmetic number, because the mean of its divisors is an integer number (251842500).

Almost surely, 2^2144574968 is an apocalyptic number.

It is an amenable number.

2144574968 is a deficient number, since it is larger than the sum of its proper divisors (1884905032).

2144574968 is a wasteful number, since it uses less digits than its factorization.

2144574968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560134 (or 560130 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 2144574968 is about 46309.5559037225. Note that the first 3 decimals coincide. The cubic root of 2144574968 is about 1289.5764023922.

The spelling of 2144574968 in words is "two billion, one hundred forty-four million, five hundred seventy-four thousand, nine hundred sixty-eight".