2743863138 has 24 divisors (see below), whose sum is σ = 6294745548. Its totient is φ = 860819712.

The previous prime is 2743863107. The next prime is 2743863139. The reversal of 2743863138 is 8313683472.

2743863138 is a `hidden beast` number, since 2 + 7 + 4 + 3 + 8 + 631 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2697036489 + 46826649 = 51933^2 + 6843^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2743863093 and 2743863102.

It is not an unprimeable number, because it can be changed into a prime (2743863139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4483131 + ... + 4483742.

Almost surely, 2^2743863138 is an apocalyptic number.

2743863138 is an abundant number, since it is smaller than the sum of its proper divisors (3550882410).

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

2743863138 is a wasteful number, since it uses less digits than its factorization.

2743863138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966898 (or 8966895 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2743863138 is about 52381.8970446852. The cubic root of 2743863138 is about 1399.9767237627.

The spelling of 2743863138 in words is "two billion, seven hundred forty-three million, eight hundred sixty-three thousand, one hundred thirty-eight".