9982821249 has 12 divisors (see below), whose sum is σ = 14515126912. Its totient is φ = 6611139000.

The previous prime is 9982821241. The next prime is 9982821257. The reversal of 9982821249 is 9421282899.

It is an interprime number because it is at equal distance from previous prime (9982821241) and next prime (9982821257).

It is not a de Polignac number, because 9982821249 - 2³ = 9982821241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9982821195 and 9982821204.

It is not an unprimeable number, because it can be changed into a prime (9982821241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3671497 + ... + 3674214.

Almost surely, 2^9982821249 is an apocalyptic number.

It is an amenable number.

9982821249 is a deficient number, since it is larger than the sum of its proper divisors (4532305663).

9982821249 is a wasteful number, since it uses less digits than its factorization.

9982821249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345868 (or 7345865 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 9982821249 is about 99914.0693245951. The cubic root of 9982821249 is about 2153.2002996828.

The spelling of 9982821249 in words is "nine billion, nine hundred eighty-two million, eight hundred twenty-one thousand, two hundred forty-nine".