2343838743738 has 24 divisors (see below), whose sum is σ = 5215569097908. Its totient is φ = 760163916672.

The previous prime is 2343838743731. The next prime is 2343838743749. The reversal of 2343838743738 is 8373478383432.

2343838743738 is a `hidden beast` number, since 2 + 3 + 43 + 83 + 87 + 437 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2017641270969 + 326197472769 = 1420437^2 + 571137^2 .

It is not an unprimeable number, because it can be changed into a prime (2343838743731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1759638031 + ... + 1759639362.

Almost surely, 2^{2343838743738} is an apocalyptic number.

2343838743738 is an abundant number, since it is smaller than the sum of its proper divisors (2871730354170).

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

2343838743738 is a wasteful number, since it uses less digits than its factorization.

2343838743738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519277438 (or 3519277435 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 63.

The spelling of 2343838743738 in words is "two trillion, three hundred forty-three billion, eight hundred thirty-eight million, seven hundred forty-three thousand, seven hundred thirty-eight".