9850448391 has 24 divisors (see below), whose sum is σ = 15318645120. Its totient is φ = 5613944112.

The previous prime is 9850448351. The next prime is 9850448393. The reversal of 9850448391 is 1938440589.

It is not a de Polignac number, because 9850448391 - 2⁶ = 9850448327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9850448393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32691 + ... + 144116.

It is an arithmetic number, because the mean of its divisors is an integer number (638276880).

Almost surely, 2^9850448391 is an apocalyptic number.

9850448391 is a deficient number, since it is larger than the sum of its proper divisors (5468196729).

9850448391 is a wasteful number, since it uses less digits than its factorization.

9850448391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177203 (or 177196 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 9850448391 is about 99249.4251419120. The cubic root of 9850448391 is about 2143.6407289021.

The spelling of 9850448391 in words is "nine billion, eight hundred fifty million, four hundred forty-eight thousand, three hundred ninety-one".