9869546920 has 48 divisors (see below), whose sum is σ = 22689214740. Its totient is φ = 3863788032.

The previous prime is 9869546891. The next prime is 9869546969. The reversal of 9869546920 is 296459689.

It can be written as a sum of positive squares in 2 ways, for example, as 9211008676 + 658538244 = 95974^2 + 25662^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32512 + ... + 144208.

Almost surely, 2^9869546920 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 9869546920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11344607370).

9869546920 is an abundant number, since it is smaller than the sum of its proper divisors (12819667820).

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

9869546920 is a wasteful number, since it uses less digits than its factorization.

9869546920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111802 (or 111751 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The square root of 9869546920 is about 99345.5933597460. The cubic root of 9869546920 is about 2145.0252328487.

The spelling of 9869546920 in words is "nine billion, eight hundred sixty-nine million, five hundred forty-six thousand, nine hundred twenty".