9489405500 has 24 divisors (see below), whose sum is σ = 20724862704. Its totient is φ = 3795762000.

The previous prime is 9489405473. The next prime is 9489405517. The reversal of 9489405500 is 55049849.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9488906 + ... + 9489905.

It is an arithmetic number, because the mean of its divisors is an integer number (863535946).

Almost surely, 2^9489405500 is an apocalyptic number.

It is an amenable number.

9489405500 is an abundant number, since it is smaller than the sum of its proper divisors (11235457204).

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

9489405500 is a wasteful number, since it uses less digits than its factorization.

9489405500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18978830 (or 18978818 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 9489405500 is about 97413.5796488354. The cubic root of 9489405500 is about 2117.1241934339.

The spelling of 9489405500 in words is "nine billion, four hundred eighty-nine million, four hundred five thousand, five hundred".