2142548536 has 16 divisors (see below), whose sum is σ = 4155805800. Its totient is φ = 1034333664.

The previous prime is 2142548497. The next prime is 2142548537. The reversal of 2142548536 is 6358452412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142548537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617330 + ... + 4617793.

Almost surely, 2^2142548536 is an apocalyptic number.

It is an amenable number.

2142548536 is a deficient number, since it is larger than the sum of its proper divisors (2013257264).

2142548536 is a wasteful number, since it uses less digits than its factorization.

2142548536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235158 (or 9235154 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 2142548536 is about 46287.6715335736. The cubic root of 2142548536 is about 1289.1700961774.

The spelling of 2142548536 in words is "two billion, one hundred forty-two million, five hundred forty-eight thousand, five hundred thirty-six".