16465144369 has 2 divisors, whose sum is σ = 16465144370. Its totient is φ = 16465144368.

The previous prime is 16465144349. The next prime is 16465144373. The reversal of 16465144369 is 96344156461.

16465144369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16092191025 + 372953344 = 126855^2 + 19312^2 .

It is a cyclic number.

It is not a de Polignac number, because 16465144369 - 2⁹ = 16465143857 is a prime.

It is a super-2 number, since 2×16465144369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16465144349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232572184 + 8232572185.

It is an arithmetic number, because the mean of its divisors is an integer number (8232572185).

Almost surely, 2^16465144369 is an apocalyptic number.

It is an amenable number.

16465144369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465144369 is an equidigital number, since it uses as much as digits as its factorization.

16465144369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The spelling of 16465144369 in words is "sixteen billion, four hundred sixty-five million, one hundred forty-four thousand, three hundred sixty-nine".