9705728150 has 12 divisors (see below), whose sum is σ = 18052654452. Its totient is φ = 3882291240.

The previous prime is 9705728113. The next prime is 9705728231. The reversal of 9705728150 is 518275079.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97057232 + ... + 97057331.

It is an arithmetic number, because the mean of its divisors is an integer number (1504387871).

Almost surely, 2^9705728150 is an apocalyptic number.

9705728150 is a deficient number, since it is larger than the sum of its proper divisors (8346926302).

9705728150 is a wasteful number, since it uses less digits than its factorization.

9705728150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194114575 (or 194114570 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 9705728150 is about 98517.6540017067. The cubic root of 9705728150 is about 2133.0909556720.

The spelling of 9705728150 in words is "nine billion, seven hundred five million, seven hundred twenty-eight thousand, one hundred fifty".