2142859672 has 32 divisors (see below), whose sum is σ = 4241415600. Its totient is φ = 1012137984.

The previous prime is 2142859643. The next prime is 2142859681. The reversal of 2142859672 is 2769582412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33688 + ... + 73624.

Almost surely, 2^2142859672 is an apocalyptic number.

It is an amenable number.

2142859672 is a deficient number, since it is larger than the sum of its proper divisors (2098555928).

2142859672 is a wasteful number, since it uses less digits than its factorization.

2142859672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40315 (or 40311 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 2142859672 is about 46291.0323064846. The cubic root of 2142859672 is about 1289.2324966016.

The spelling of 2142859672 in words is "two billion, one hundred forty-two million, eight hundred fifty-nine thousand, six hundred seventy-two".