8421336250 has 40 divisors (see below), whose sum is σ = 15799083300. Its totient is φ = 3365520000.

The previous prime is 8421336241. The next prime is 8421336251. The reversal of 8421336250 is 526331248.

It can be written as a sum of positive squares in 10 ways, for example, as 323676081 + 8097660169 = 17991^2 + 89987^2 .

It is not an unprimeable number, because it can be changed into a prime (8421336251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1848976 + ... + 1853524.

Almost surely, 2^8421336250 is an apocalyptic number.

8421336250 is a deficient number, since it is larger than the sum of its proper divisors (7377747050).

8421336250 is a wasteful number, since it uses less digits than its factorization.

8421336250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052 (or 6037 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 8421336250 is about 91767.8388652582. The cubic root of 8421336250 is about 2034.5123764497.

Adding to 8421336250 its reverse (526331248), we get a palindrome (8947667498).

The spelling of 8421336250 in words is "eight billion, four hundred twenty-one million, three hundred thirty-six thousand, two hundred fifty".