9489889850 has 96 divisors (see below), whose sum is σ = 20685390336. Its totient is φ = 3171571200.

The previous prime is 9489889847. The next prime is 9489889867. The reversal of 9489889850 is 589889849.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4621424 + ... + 4623476.

It is an arithmetic number, because the mean of its divisors is an integer number (215472816).

Almost surely, 2^9489889850 is an apocalyptic number.

9489889850 is an abundant number, since it is smaller than the sum of its proper divisors (11195500486).

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

9489889850 is a wasteful number, since it uses less digits than its factorization.

9489889850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 68.

The square root of 9489889850 is about 97416.0656668088. The cubic root of 9489889850 is about 2117.1602129597.

The spelling of 9489889850 in words is "nine billion, four hundred eighty-nine million, eight hundred eighty-nine thousand, eight hundred fifty".