2143881741 has 8 divisors (see below), whose sum is σ = 2870992480. Its totient is φ = 1423012752.

The previous prime is 2143881709. The next prime is 2143881743. The reversal of 2143881741 is 1471883412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2143881741 - 2⁵ = 2143881709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143881741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143881743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559635 + ... + 1561008.

It is an arithmetic number, because the mean of its divisors is an integer number (358874060).

Almost surely, 2^2143881741 is an apocalyptic number.

It is an amenable number.

2143881741 is a deficient number, since it is larger than the sum of its proper divisors (727110739).

2143881741 is a wasteful number, since it uses less digits than its factorization.

2143881741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120875.

The product of its digits is 43008, while the sum is 39.

The square root of 2143881741 is about 46302.0705908494. The cubic root of 2143881741 is about 1289.4374369351.

The spelling of 2143881741 in words is "two billion, one hundred forty-three million, eight hundred eighty-one thousand, seven hundred forty-one".