32856650209 has 2 divisors, whose sum is σ = 32856650210. Its totient is φ = 32856650208.

The previous prime is 32856650147. The next prime is 32856650221. The reversal of 32856650209 is 90205665823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23588352225 + 9268297984 = 153585^2 + 96272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32856650209 is a prime.

It is not a weakly prime, because it can be changed into another prime (32856650909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16428325104 + 16428325105.

It is an arithmetic number, because the mean of its divisors is an integer number (16428325105).

Almost surely, 2^32856650209 is an apocalyptic number.

It is an amenable number.

32856650209 is a deficient number, since it is larger than the sum of its proper divisors (1).

32856650209 is an equidigital number, since it uses as much as digits as its factorization.

32856650209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 32856650209 in words is "thirty-two billion, eight hundred fifty-six million, six hundred fifty thousand, two hundred nine".