201330432209 has 2 divisors, whose sum is σ = 201330432210. Its totient is φ = 201330432208.

The previous prime is 201330432181. The next prime is 201330432223. The reversal of 201330432209 is 902234033102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136865222209 + 64465210000 = 369953^2 + 253900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201330432209 is a prime.

It is not a weakly prime, because it can be changed into another prime (201330432269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665216104 + 100665216105.

It is an arithmetic number, because the mean of its divisors is an integer number (100665216105).

Almost surely, 2^201330432209 is an apocalyptic number.

It is an amenable number.

201330432209 is a deficient number, since it is larger than the sum of its proper divisors (1).

201330432209 is an equidigital number, since it uses as much as digits as its factorization.

201330432209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 201330432209 in words is "two hundred one billion, three hundred thirty million, four hundred thirty-two thousand, two hundred nine".