16433315207249 has 2 divisors, whose sum is σ = 16433315207250. Its totient is φ = 16433315207248.

The previous prime is 16433315207147. The next prime is 16433315207251. The reversal of 16433315207249 is 94270251333461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16365520066624 + 67795140625 = 4045432^2 + 260375^2 .

It is a cyclic number.

It is not a de Polignac number, because 16433315207249 - 2⁸ = 16433315206993 is a prime.

Together with 16433315207251, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16433315207197 and 16433315207206.

It is not a weakly prime, because it can be changed into another prime (16433315207269) 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, 8216657603624 + 8216657603625.

It is an arithmetic number, because the mean of its divisors is an integer number (8216657603625).

Almost surely, 2^{16433315207249} is an apocalyptic number.

It is an amenable number.

16433315207249 is a deficient number, since it is larger than the sum of its proper divisors (1).

16433315207249 is an equidigital number, since it uses as much as digits as its factorization.

16433315207249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 16433315207249 in words is "sixteen trillion, four hundred thirty-three billion, three hundred fifteen million, two hundred seven thousand, two hundred forty-nine".