3259644009 has 32 divisors (see below), whose sum is σ = 4664770560. Its totient is φ = 2018620800.

The previous prime is 3259643983. The next prime is 3259644053. The reversal of 3259644009 is 9004469523.

It is not a de Polignac number, because 3259644009 - 2¹³ = 3259635817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3259644809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770869 + ... + 775085.

It is an arithmetic number, because the mean of its divisors is an integer number (145774080).

Almost surely, 2^3259644009 is an apocalyptic number.

It is an amenable number.

3259644009 is a deficient number, since it is larger than the sum of its proper divisors (1405126551).

3259644009 is a wasteful number, since it uses less digits than its factorization.

3259644009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 3259644009 is about 57093.2921541577. The cubic root of 3259644009 is about 1482.7117329466.

The spelling of 3259644009 in words is "three billion, two hundred fifty-nine million, six hundred forty-four thousand, nine".