9821650412 has 48 divisors (see below), whose sum is σ = 19813635072. Its totient is φ = 4172912640.

The previous prime is 9821650403. The next prime is 9821650451. The reversal of 9821650412 is 2140561289.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964588 + ... + 1969580.

It is an arithmetic number, because the mean of its divisors is an integer number (412784064).

Almost surely, 2^9821650412 is an apocalyptic number.

It is an amenable number.

9821650412 is an abundant number, since it is smaller than the sum of its proper divisors (9991984660).

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

9821650412 is a wasteful number, since it uses less digits than its factorization.

9821650412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 9821650412 is about 99104.2401312880. The cubic root of 9821650412 is about 2141.5496979532.

The spelling of 9821650412 in words is "nine billion, eight hundred twenty-one million, six hundred fifty thousand, four hundred twelve".