44204206009 has 2 divisors, whose sum is σ = 44204206010. Its totient is φ = 44204206008.

The previous prime is 44204206003. The next prime is 44204206051. The reversal of 44204206009 is 90060240244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42039351225 + 2164854784 = 205035^2 + 46528^2 .

It is a cyclic number.

It is not a de Polignac number, because 44204206009 - 2³ = 44204206001 is a prime.

It is a super-2 number, since 2×44204206009² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44204206001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22102103004 + 22102103005.

It is an arithmetic number, because the mean of its divisors is an integer number (22102103005).

Almost surely, 2^44204206009 is an apocalyptic number.

It is an amenable number.

44204206009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44204206009 is an equidigital number, since it uses as much as digits as its factorization.

44204206009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 44204206009 in words is "forty-four billion, two hundred four million, two hundred six thousand, nine".