16444310677433 has 2 divisors, whose sum is σ = 16444310677434. Its totient is φ = 16444310677432.

The previous prime is 16444310677427. The next prime is 16444310677441. The reversal of 16444310677433 is 33477601344461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13370628488569 + 3073682188864 = 3656587^2 + 1753192^2 .

It is an emirp because it is prime and its reverse (33477601344461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16444310677433 - 2⁸ = 16444310677177 is a prime.

It is not a weakly prime, because it can be changed into another prime (16444310677453) 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, 8222155338716 + 8222155338717.

It is an arithmetic number, because the mean of its divisors is an integer number (8222155338717).

Almost surely, 2^{16444310677433} is an apocalyptic number.

It is an amenable number.

16444310677433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16444310677433 is an equidigital number, since it uses as much as digits as its factorization.

16444310677433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 16444310677433 in words is "sixteen trillion, four hundred forty-four billion, three hundred ten million, six hundred seventy-seven thousand, four hundred thirty-three".