2142734443 has 16 divisors (see below), whose sum is σ = 2273680000. Its totient is φ = 2013672960.

The previous prime is 2142734423. The next prime is 2142734453. The reversal of 2142734443 is 3444372412.

It is a cyclic number.

It is not a de Polignac number, because 2142734443 - 2¹⁷ = 2142603371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142734399 and 2142734408.

It is not an unprimeable number, because it can be changed into a prime (2142734423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1829248 + ... + 1830418.

It is an arithmetic number, because the mean of its divisors is an integer number (142105000).

Almost surely, 2^2142734443 is an apocalyptic number.

2142734443 is a deficient number, since it is larger than the sum of its proper divisors (130945557).

2142734443 is a wasteful number, since it uses less digits than its factorization.

2142734443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 64512, while the sum is 34.

The square root of 2142734443 is about 46289.6796597254. The cubic root of 2142734443 is about 1289.2073818070.

The spelling of 2142734443 in words is "two billion, one hundred forty-two million, seven hundred thirty-four thousand, four hundred forty-three".