320104120009 has 2 divisors, whose sum is σ = 320104120010. Its totient is φ = 320104120008.

The previous prime is 320104120003. The next prime is 320104120069. The reversal of 320104120009 is 900021401023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182910182400 + 137193937609 = 427680^2 + 370397^2 .

It is a cyclic number.

It is not a de Polignac number, because 320104120009 - 2²⁹ = 319567249097 is a prime.

It is not a weakly prime, because it can be changed into another prime (320104120003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160052060004 + 160052060005.

It is an arithmetic number, because the mean of its divisors is an integer number (160052060005).

Almost surely, 2^320104120009 is an apocalyptic number.

It is an amenable number.

320104120009 is a deficient number, since it is larger than the sum of its proper divisors (1).

320104120009 is an equidigital number, since it uses as much as digits as its factorization.

320104120009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 320104120009 in words is "three hundred twenty billion, one hundred four million, one hundred twenty thousand, nine".