2142533668 has 48 divisors (see below), whose sum is σ = 4157455680. Its totient is φ = 958003200.

The previous prime is 2142533663. The next prime is 2142533669. The reversal of 2142533668 is 8663352412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142533668.

It is not an unprimeable number, because it can be changed into a prime (2142533663) 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 15 ways as a sum of consecutive naturals, for example, 824980 + ... + 827572.

It is an arithmetic number, because the mean of its divisors is an integer number (86613660).

Almost surely, 2^2142533668 is an apocalyptic number.

It is an amenable number.

2142533668 is a deficient number, since it is larger than the sum of its proper divisors (2014922012).

2142533668 is a wasteful number, since it uses less digits than its factorization.

2142533668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2906 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 2142533668 is about 46287.5109289752. The cubic root of 2142533668 is about 1289.1671141484.

The spelling of 2142533668 in words is "two billion, one hundred forty-two million, five hundred thirty-three thousand, six hundred sixty-eight".