8529632009 has 16 divisors (see below), whose sum is σ = 8786491200. Its totient is φ = 8276598720.

The previous prime is 8529631993. The next prime is 8529632021. The reversal of 8529632009 is 9002369258.

It is not a de Polignac number, because 8529632009 - 2⁴ = 8529631993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8529632099) 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, 5505767 + ... + 5507315.

It is an arithmetic number, because the mean of its divisors is an integer number (549155700).

Almost surely, 2^8529632009 is an apocalyptic number.

It is an amenable number.

8529632009 is a deficient number, since it is larger than the sum of its proper divisors (256859191).

8529632009 is a wasteful number, since it uses less digits than its factorization.

8529632009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 8529632009 is about 92356.0068918097. The cubic root of 8529632009 is about 2043.1963228477.

The spelling of 8529632009 in words is "eight billion, five hundred twenty-nine million, six hundred thirty-two thousand, nine".