2138688050 has 48 divisors (see below), whose sum is σ = 4059918720. Its totient is φ = 837956160.

The previous prime is 2138688049. The next prime is 2138688061. The reversal of 2138688050 is 508868312.

It is a junction number, because it is equal to n+sod(n) for n = 2138687989 and 2138688007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934007 + ... + 936293.

It is an arithmetic number, because the mean of its divisors is an integer number (84581640).

Almost surely, 2^2138688050 is an apocalyptic number.

2138688050 is a deficient number, since it is larger than the sum of its proper divisors (1921230670).

2138688050 is a wasteful number, since it uses less digits than its factorization.

2138688050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2138688050 is about 46245.9517147177. The cubic root of 2138688050 is about 1288.3953466781.

The spelling of 2138688050 in words is "two billion, one hundred thirty-eight million, six hundred eighty-eight thousand, fifty".