2142381876 has 24 divisors (see below), whose sum is σ = 5020352064. Its totient is φ = 711061440.

The previous prime is 2142381833. The next prime is 2142381911. The reversal of 2142381876 is 6781832412.

It is a super-2 number, since 2×2142381876² = 9179600205226558752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380320 + ... + 385911.

It is an arithmetic number, because the mean of its divisors is an integer number (209181336).

Almost surely, 2^2142381876 is an apocalyptic number.

It is an amenable number.

2142381876 is an abundant number, since it is smaller than the sum of its proper divisors (2877970188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142381876 is a wasteful number, since it uses less digits than its factorization.

2142381876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766471 (or 766469 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 2142381876 is about 46285.8712351836. The cubic root of 2142381876 is about 1289.1366689052.

The spelling of 2142381876 in words is "two billion, one hundred forty-two million, three hundred eighty-one thousand, eight hundred seventy-six".