2143447132 has 6 divisors (see below), whose sum is σ = 3751032488. Its totient is φ = 1071723564.

The previous prime is 2143447123. The next prime is 2143447153. The reversal of 2143447132 is 2317443412.

It is a super-3 number, since 3×2143447132³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143447094 and 2143447103.

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, 267930888 + ... + 267930895.

Almost surely, 2^2143447132 is an apocalyptic number.

It is an amenable number.

2143447132 is a deficient number, since it is larger than the sum of its proper divisors (1607585356).

2143447132 is a wasteful number, since it uses less digits than its factorization.

2143447132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535861787 (or 535861785 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 2143447132 is about 46297.3771611308. The cubic root of 2143447132 is about 1289.3502992016.

The spelling of 2143447132 in words is "two billion, one hundred forty-three million, four hundred forty-seven thousand, one hundred thirty-two".