32209730009 has 2 divisors, whose sum is σ = 32209730010. Its totient is φ = 32209730008.

The previous prime is 32209729997. The next prime is 32209730029. The reversal of 32209730009 is 90003790223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29765910784 + 2443819225 = 172528^2 + 49435^2 .

It is a cyclic number.

It is not a de Polignac number, because 32209730009 - 2¹² = 32209725913 is a prime.

It is not a weakly prime, because it can be changed into another prime (32209730029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16104865004 + 16104865005.

It is an arithmetic number, because the mean of its divisors is an integer number (16104865005).

Almost surely, 2^32209730009 is an apocalyptic number.

It is an amenable number.

32209730009 is a deficient number, since it is larger than the sum of its proper divisors (1).

32209730009 is an equidigital number, since it uses as much as digits as its factorization.

32209730009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 32209730009 in words is "thirty-two billion, two hundred nine million, seven hundred thirty thousand, nine".