2186738552 has 32 divisors (see below), whose sum is σ = 4125401280. Its totient is φ = 1086650880.

The previous prime is 2186738549. The next prime is 2186738569. The reversal of 2186738552 is 2558376812.

It is a junction number, because it is equal to n+sod(n) for n = 2186738497 and 2186738506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775777 + ... + 1777007.

It is an arithmetic number, because the mean of its divisors is an integer number (128918790).

Almost surely, 2^2186738552 is an apocalyptic number.

It is an amenable number.

2186738552 is a deficient number, since it is larger than the sum of its proper divisors (1938662728).

2186738552 is a wasteful number, since it uses less digits than its factorization.

2186738552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2419 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 2186738552 is about 46762.5764046422. The cubic root of 2186738552 is about 1297.9728864876.

The spelling of 2186738552 in words is "two billion, one hundred eighty-six million, seven hundred thirty-eight thousand, five hundred fifty-two".