2186629852 has 12 divisors (see below), whose sum is σ = 4174475256. Its totient is φ = 993922640.

The previous prime is 2186629843. The next prime is 2186629859. The reversal of 2186629852 is 2589266812.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2186629796 and 2186629805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186629859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24848023 + ... + 24848110.

It is an arithmetic number, because the mean of its divisors is an integer number (347872938).

Almost surely, 2^2186629852 is an apocalyptic number.

2186629852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2186629852 is a deficient number, since it is larger than the sum of its proper divisors (1987845404).

2186629852 is a wasteful number, since it uses less digits than its factorization.

2186629852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49696148 (or 49696146 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 2186629852 is about 46761.4141360160. The cubic root of 2186629852 is about 1297.9513792692.

The spelling of 2186629852 in words is "two billion, one hundred eighty-six million, six hundred twenty-nine thousand, eight hundred fifty-two".