9529970989 has 16 divisors (see below), whose sum is σ = 12264800256. Its totient is φ = 7186402800.

The previous prime is 9529970987. The next prime is 9529971053. The reversal of 9529970989 is 9890799259.

It is a cyclic number.

It is not a de Polignac number, because 9529970989 - 2¹ = 9529970987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9529970987) 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, 1993837 + ... + 1998610.

It is an arithmetic number, because the mean of its divisors is an integer number (766550016).

Almost surely, 2^9529970989 is an apocalyptic number.

It is an amenable number.

9529970989 is a deficient number, since it is larger than the sum of its proper divisors (2734829267).

9529970989 is a wasteful number, since it uses less digits than its factorization.

9529970989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992496.

The product of its (nonzero) digits is 33067440, while the sum is 67.

The square root of 9529970989 is about 97621.5703059524. The cubic root of 9529970989 is about 2120.1366789920.

The spelling of 9529970989 in words is "nine billion, five hundred twenty-nine million, nine hundred seventy thousand, nine hundred eighty-nine".