5221686850 has 48 divisors (see below), whose sum is σ = 10292294376. Its totient is φ = 1964160000.

The previous prime is 5221686839. The next prime is 5221686857. The reversal of 5221686850 is 586861225.

It can be written as a sum of positive squares in 12 ways, for example, as 93837969 + 5127848881 = 9687^2 + 71609^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5221686797 and 5221686806.

It is not an unprimeable number, because it can be changed into a prime (5221686857) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1580200 + ... + 1583500.

Almost surely, 2^5221686850 is an apocalyptic number.

5221686850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5221686850 is a deficient number, since it is larger than the sum of its proper divisors (5070607526).

5221686850 is a wasteful number, since it uses less digits than its factorization.

5221686850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 5221686850 is about 72261.2403021149. The cubic root of 5221686850 is about 1734.8833314402.

The spelling of 5221686850 in words is "five billion, two hundred twenty-one million, six hundred eighty-six thousand, eight hundred fifty".