2163782338 has 16 divisors (see below), whose sum is σ = 3440055960. Its totient is φ = 1017225216.

The previous prime is 2163782323. The next prime is 2163782359. The reversal of 2163782338 is 8332873612.

It can be written as a sum of positive squares in 4 ways, for example, as 1253372409 + 910409929 = 35403^2 + 30173^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2163782294 and 2163782303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2770 + ... + 65842.

Almost surely, 2^2163782338 is an apocalyptic number.

2163782338 is a deficient number, since it is larger than the sum of its proper divisors (1276273622).

2163782338 is a wasteful number, since it uses less digits than its factorization.

2163782338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64101.

The product of its digits is 290304, while the sum is 43.

The square root of 2163782338 is about 46516.4738345460. The cubic root of 2163782338 is about 1293.4148925757.

The spelling of 2163782338 in words is "two billion, one hundred sixty-three million, seven hundred eighty-two thousand, three hundred thirty-eight".