9659885642 has 16 divisors (see below), whose sum is σ = 15808722912. Its totient is φ = 4390402320.

The previous prime is 9659885623. The next prime is 9659885659. The reversal of 9659885642 is 2465889569.

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, 290168 + ... + 321740.

It is an arithmetic number, because the mean of its divisors is an integer number (988045182).

Almost surely, 2^9659885642 is an apocalyptic number.

9659885642 is a deficient number, since it is larger than the sum of its proper divisors (6148837270).

9659885642 is a wasteful number, since it uses less digits than its factorization.

9659885642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45493.

The product of its digits is 37324800, while the sum is 62.

The square root of 9659885642 is about 98284.7172351836. The cubic root of 9659885642 is about 2129.7272856485.

The spelling of 9659885642 in words is "nine billion, six hundred fifty-nine million, eight hundred eighty-five thousand, six hundred forty-two".