32543001209 has 2 divisors, whose sum is σ = 32543001210. Its totient is φ = 32543001208.

The previous prime is 32543001199. The next prime is 32543001263. The reversal of 32543001209 is 90210034523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27490634809 + 5052366400 = 165803^2 + 71080^2 .

It is a cyclic number.

It is not a de Polignac number, because 32543001209 - 2²⁰ = 32541952633 is a prime.

It is not a weakly prime, because it can be changed into another prime (32543001809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16271500604 + 16271500605.

It is an arithmetic number, because the mean of its divisors is an integer number (16271500605).

Almost surely, 2^32543001209 is an apocalyptic number.

It is an amenable number.

32543001209 is a deficient number, since it is larger than the sum of its proper divisors (1).

32543001209 is an equidigital number, since it uses as much as digits as its factorization.

32543001209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 32543001209 in words is "thirty-two billion, five hundred forty-three million, one thousand, two hundred nine".