9645217053 has 32 divisors (see below), whose sum is σ = 13823986176. Its totient is φ = 5960060928.

The previous prime is 9645217051. The next prime is 9645217063. The reversal of 9645217053 is 3507125469.

It is not a de Polignac number, because 9645217053 - 2¹ = 9645217051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9645216996 and 9645217014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9645217051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3189100 + ... + 3192122.

It is an arithmetic number, because the mean of its divisors is an integer number (431999568).

Almost surely, 2^9645217053 is an apocalyptic number.

It is an amenable number.

9645217053 is a deficient number, since it is larger than the sum of its proper divisors (4178769123).

9645217053 is a wasteful number, since it uses less digits than its factorization.

9645217053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 9645217053 is about 98210.0659454009. The cubic root of 9645217053 is about 2128.6487387071.

The spelling of 9645217053 in words is "nine billion, six hundred forty-five million, two hundred seventeen thousand, fifty-three".