9851541924 has 72 divisors (see below), whose sum is σ = 26760132000. Its totient is φ = 2812596864.

The previous prime is 9851541883. The next prime is 9851541929. The reversal of 9851541924 is 4291451589.

It is not an unprimeable number, because it can be changed into a prime (9851541929) 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, 875824 + ... + 887000.

It is an arithmetic number, because the mean of its divisors is an integer number (371668500).

Almost surely, 2^9851541924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9851541924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13380066000).

9851541924 is an abundant number, since it is smaller than the sum of its proper divisors (16908590076).

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

9851541924 is a wasteful number, since it uses less digits than its factorization.

9851541924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697 (or 12688 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 9851541924 is about 99254.9340033028. The cubic root of 9851541924 is about 2143.7200503382.

It can be divided in two parts, 9851 and 541924, that added together give a triangular number (551775 = T₁₀₅₀).

The spelling of 9851541924 in words is "nine billion, eight hundred fifty-one million, five hundred forty-one thousand, nine hundred twenty-four".