9809061571852 has 24 divisors (see below), whose sum is σ = 17221306929120. Its totient is φ = 4888706951040.

The previous prime is 9809061571847. The next prime is 9809061571879. The reversal of 9809061571852 is 2581751609089.

9809061571852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 258424 + ... + 4436767.

It is an arithmetic number, because the mean of its divisors is an integer number (717554455380).

Almost surely, 2^{9809061571852} is an apocalyptic number.

It is an amenable number.

9809061571852 is a deficient number, since it is larger than the sum of its proper divisors (7412245357268).

9809061571852 is a wasteful number, since it uses less digits than its factorization.

9809061571852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696881 (or 4696879 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 61.

The spelling of 9809061571852 in words is "nine trillion, eight hundred nine billion, sixty-one million, five hundred seventy-one thousand, eight hundred fifty-two".