2143734712 has 96 divisors (see below), whose sum is σ = 4882857120. Its totient is φ = 878895360.

The previous prime is 2143734701. The next prime is 2143734721. The reversal of 2143734712 is 2174373412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 883533 + ... + 885955.

It is an arithmetic number, because the mean of its divisors is an integer number (50863095).

Almost surely, 2^2143734712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143734712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2441428560).

2143734712 is an abundant number, since it is smaller than the sum of its proper divisors (2739122408).

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

2143734712 is a wasteful number, since it uses less digits than its factorization.

2143734712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2530 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 2143734712 is about 46300.4828484542. The cubic root of 2143734712 is about 1289.4079594026.

The spelling of 2143734712 in words is "two billion, one hundred forty-three million, seven hundred thirty-four thousand, seven hundred twelve".