2185536650 has 96 divisors (see below), whose sum is σ = 4545994752. Its totient is φ = 775051200.

The previous prime is 2185536649. The next prime is 2185536671. The reversal of 2185536650 is 566355812.

It is a junction number, because it is equal to n+sod(n) for n = 2185536598 and 2185536607.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4679717 + ... + 4680183.

It is an arithmetic number, because the mean of its divisors is an integer number (47354112).

Almost surely, 2^2185536650 is an apocalyptic number.

2185536650 is an abundant number, since it is smaller than the sum of its proper divisors (2360458102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2185536650 is a wasteful number, since it uses less digits than its factorization.

2185536650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 2185536650 is about 46749.7235285943. The cubic root of 2185536650 is about 1297.7350403263.

It can be divided in two parts, 2185 and 536650, that added together give a palindrome (538835).

The spelling of 2185536650 in words is "two billion, one hundred eighty-five million, five hundred thirty-six thousand, six hundred fifty".