9642579645 has 16 divisors (see below), whose sum is σ = 15719225472. Its totient is φ = 5045676480.

The previous prime is 9642579637. The next prime is 9642579647. The reversal of 9642579645 is 5469752469.

It is not a de Polignac number, because 9642579645 - 2³ = 9642579637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9642579647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6063721 + ... + 6065310.

It is an arithmetic number, because the mean of its divisors is an integer number (982451592).

Almost surely, 2^9642579645 is an apocalyptic number.

It is an amenable number.

9642579645 is a deficient number, since it is larger than the sum of its proper divisors (6076645827).

9642579645 is a wasteful number, since it uses less digits than its factorization.

9642579645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129092.

The product of its digits is 16329600, while the sum is 57.

The square root of 9642579645 is about 98196.6376461027. The cubic root of 9642579645 is about 2128.4547003227.

The spelling of 9642579645 in words is "nine billion, six hundred forty-two million, five hundred seventy-nine thousand, six hundred forty-five".