16454017256213 has 2 divisors, whose sum is σ = 16454017256214. Its totient is φ = 16454017256212.

The previous prime is 16454017256203. The next prime is 16454017256251. The reversal of 16454017256213 is 31265271045461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15919916460529 + 534100795684 = 3989977^2 + 730822^2 .

It is a cyclic number.

It is not a de Polignac number, because 16454017256213 - 2¹² = 16454017252117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16454017256203) 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, 8227008628106 + 8227008628107.

It is an arithmetic number, because the mean of its divisors is an integer number (8227008628107).

Almost surely, 2^{16454017256213} is an apocalyptic number.

It is an amenable number.

16454017256213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16454017256213 is an equidigital number, since it uses as much as digits as its factorization.

16454017256213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 16454017256213 in words is "sixteen trillion, four hundred fifty-four billion, seventeen million, two hundred fifty-six thousand, two hundred thirteen".