2144867512 has 16 divisors (see below), whose sum is σ = 4061446200. Its totient is φ = 1061815200.

The previous prime is 2144867503. The next prime is 2144867519. The reversal of 2144867512 is 2157684412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144867519) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1326462 + ... + 1328077.

Almost surely, 2^2144867512 is an apocalyptic number.

It is an amenable number.

2144867512 is a deficient number, since it is larger than the sum of its proper divisors (1916578688).

2144867512 is a wasteful number, since it uses less digits than its factorization.

2144867512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654646 (or 2654642 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 2144867512 is about 46312.7143665754. The cubic root of 2144867512 is about 1289.6350372720.

The spelling of 2144867512 in words is "two billion, one hundred forty-four million, eight hundred sixty-seven thousand, five hundred twelve".