16454017256269 has 2 divisors, whose sum is σ = 16454017256270. Its totient is φ = 16454017256268.

The previous prime is 16454017256251. The next prime is 16454017256273. The reversal of 16454017256269 is 96265271045461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9994057950244 + 6459959306025 = 3161338^2 + 2541645^2 .

It is a cyclic number.

It is not a de Polignac number, because 16454017256269 - 2⁷ = 16454017256141 is a prime.

It is a super-2 number, since 2×16454017256269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16454017256669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8227008628134 + 8227008628135.

It is an arithmetic number, because the mean of its divisors is an integer number (8227008628135).

Almost surely, 2^{16454017256269} is an apocalyptic number.

It is an amenable number.

16454017256269 is a deficient number, since it is larger than the sum of its proper divisors (1).

16454017256269 is an equidigital number, since it uses as much as digits as its factorization.

16454017256269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 16454017256269 in words is "sixteen trillion, four hundred fifty-four billion, seventeen million, two hundred fifty-six thousand, two hundred sixty-nine".