404512132342009 has 2 divisors, whose sum is σ = 404512132342010. Its totient is φ = 404512132342008.

The previous prime is 404512132341991. The next prime is 404512132342133. The reversal of 404512132342009 is 900243231215404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335741600502009 + 68770531840000 = 18323253^2 + 8292800^2 .

It is a cyclic number.

It is not a de Polignac number, because 404512132342009 - 2²¹ = 404512130244857 is a prime.

It is not a weakly prime, because it can be changed into another prime (404512132382009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202256066171004 + 202256066171005.

It is an arithmetic number, because the mean of its divisors is an integer number (202256066171005).

Almost surely, 2^{404512132342009} is an apocalyptic number.

It is an amenable number.

404512132342009 is a deficient number, since it is larger than the sum of its proper divisors (1).

404512132342009 is an equidigital number, since it uses as much as digits as its factorization.

404512132342009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 404512132342009 in words is "four hundred four trillion, five hundred twelve billion, one hundred thirty-two million, three hundred forty-two thousand, nine".