412244021009 has 2 divisors, whose sum is σ = 412244021010. Its totient is φ = 412244021008.

The previous prime is 412244020997. The next prime is 412244021027. The reversal of 412244021009 is 900120442214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234473850625 + 177770170384 = 484225^2 + 421628^2 .

It is a cyclic number.

It is not a de Polignac number, because 412244021009 - 2²⁴ = 412227243793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (412244021509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206122010504 + 206122010505.

It is an arithmetic number, because the mean of its divisors is an integer number (206122010505).

Almost surely, 2^412244021009 is an apocalyptic number.

It is an amenable number.

412244021009 is a deficient number, since it is larger than the sum of its proper divisors (1).

412244021009 is an equidigital number, since it uses as much as digits as its factorization.

412244021009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 412244021009 in words is "four hundred twelve billion, two hundred forty-four million, twenty-one thousand, nine".