32512043209 has 2 divisors, whose sum is σ = 32512043210. Its totient is φ = 32512043208.

The previous prime is 32512043189. The next prime is 32512043237. The reversal of 32512043209 is 90234021523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23156317584 + 9355725625 = 152172^2 + 96725^2 .

It is a cyclic number.

It is not a de Polignac number, because 32512043209 - 2⁹ = 32512042697 is a prime.

It is not a weakly prime, because it can be changed into another prime (32512043909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16256021604 + 16256021605.

It is an arithmetic number, because the mean of its divisors is an integer number (16256021605).

Almost surely, 2^32512043209 is an apocalyptic number.

It is an amenable number.

32512043209 is a deficient number, since it is larger than the sum of its proper divisors (1).

32512043209 is an equidigital number, since it uses as much as digits as its factorization.

32512043209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 32512043209 in words is "thirty-two billion, five hundred twelve million, forty-three thousand, two hundred nine".