2163144892 has 6 divisors (see below), whose sum is σ = 3785503568. Its totient is φ = 1081572444.

The previous prime is 2163144869. The next prime is 2163144931. The reversal of 2163144892 is 2984413612.

It is a congruent number.

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, 270393108 + ... + 270393115.

Almost surely, 2^2163144892 is an apocalyptic number.

It is an amenable number.

2163144892 is a deficient number, since it is larger than the sum of its proper divisors (1622358676).

2163144892 is a wasteful number, since it uses less digits than its factorization.

2163144892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540786227 (or 540786225 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2163144892 is about 46509.6214992124. The cubic root of 2163144892 is about 1293.2878676109.

The spelling of 2163144892 in words is "two billion, one hundred sixty-three million, one hundred forty-four thousand, eight hundred ninety-two".