16422249673 has 2 divisors, whose sum is σ = 16422249674. Its totient is φ = 16422249672.

The previous prime is 16422249653. The next prime is 16422249691. The reversal of 16422249673 is 37694222461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8868553929 + 7553695744 = 94173^2 + 86912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16422249673 is a prime.

It is not a weakly prime, because it can be changed into another prime (16422249643) 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, 8211124836 + 8211124837.

It is an arithmetic number, because the mean of its divisors is an integer number (8211124837).

Almost surely, 2^16422249673 is an apocalyptic number.

It is an amenable number.

16422249673 is a deficient number, since it is larger than the sum of its proper divisors (1).

16422249673 is an equidigital number, since it uses as much as digits as its factorization.

16422249673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The spelling of 16422249673 in words is "sixteen billion, four hundred twenty-two million, two hundred forty-nine thousand, six hundred seventy-three".