16426223000009 has 2 divisors, whose sum is σ = 16426223000010. Its totient is φ = 16426223000008.

The previous prime is 16426222999981. The next prime is 16426223000093. The reversal of 16426223000009 is 90000032262461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16258919095225 + 167303904784 = 4032235^2 + 409028^2 .

It is an emirp because it is prime and its reverse (90000032262461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16426223000009 - 2²⁸ = 16425954564553 is a prime.

It is not a weakly prime, because it can be changed into another prime (16426223000309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213111500004 + 8213111500005.

It is an arithmetic number, because the mean of its divisors is an integer number (8213111500005).

Almost surely, 2^{16426223000009} is an apocalyptic number.

It is an amenable number.

16426223000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16426223000009 is an equidigital number, since it uses as much as digits as its factorization.

16426223000009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 16426223000009 in words is "sixteen trillion, four hundred twenty-six billion, two hundred twenty-three million, nine", and thus it is an aban number.