5821385650 has 36 divisors (see below), whose sum is σ = 11469087918. Its totient is φ = 2190743040.

The previous prime is 5821385641. The next prime is 5821385683. The reversal of 5821385650 is 565831285.

It can be written as a sum of positive squares in 9 ways, for example, as 4265004249 + 1556381401 = 65307^2 + 39451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5821385597 and 5821385606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2223142 + ... + 2225758.

Almost surely, 2^5821385650 is an apocalyptic number.

5821385650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5821385650 is a deficient number, since it is larger than the sum of its proper divisors (5647702268).

5821385650 is an equidigital number, since it uses as much as digits as its factorization.

5821385650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 5821385650 is about 76298.0055440508. The cubic root of 5821385650 is about 1798.9073255187.

The spelling of 5821385650 in words is "five billion, eight hundred twenty-one million, three hundred eighty-five thousand, six hundred fifty".