2743139890 has 16 divisors (see below), whose sum is σ = 5228102232. Its totient is φ = 1032711424.

The previous prime is 2743139857. The next prime is 2743139939. The reversal of 2743139890 is 989313472.

It can be written as a sum of positive squares in 4 ways, for example, as 2502300529 + 240839361 = 50023^2 + 15519^2 .

It is a super-2 number, since 2×2743139890² = 15049632912218424200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2743139890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8067889 + ... + 8068228.

Almost surely, 2^2743139890 is an apocalyptic number.

2743139890 is a deficient number, since it is larger than the sum of its proper divisors (2484962342).

2743139890 is a wasteful number, since it uses less digits than its factorization.

2743139890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136141.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2743139890 is about 52374.9929832931. The cubic root of 2743139890 is about 1399.8537075029.

The spelling of 2743139890 in words is "two billion, seven hundred forty-three million, one hundred thirty-nine thousand, eight hundred ninety".