2143287628 has 48 divisors (see below), whose sum is σ = 4061080800. Its totient is φ = 986411520.

The previous prime is 2143287613. The next prime is 2143287667. The reversal of 2143287628 is 8267823412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836926 + ... + 839482.

It is an arithmetic number, because the mean of its divisors is an integer number (84605850).

Almost surely, 2^2143287628 is an apocalyptic number.

It is an amenable number.

2143287628 is a deficient number, since it is larger than the sum of its proper divisors (1917793172).

2143287628 is a wasteful number, since it uses less digits than its factorization.

2143287628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890 (or 2888 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 2143287628 is about 46295.6545261000. The cubic root of 2143287628 is about 1289.3183161981.

The spelling of 2143287628 in words is "two billion, one hundred forty-three million, two hundred eighty-seven thousand, six hundred twenty-eight".