16432451513369 has 2 divisors, whose sum is σ = 16432451513370. Its totient is φ = 16432451513368.

The previous prime is 16432451513353. The next prime is 16432451513371. The reversal of 16432451513369 is 96331515423461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8657500023769 + 7774951489600 = 2942363^2 + 2788360^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432451513369 - 2⁴ = 16432451513353 is a prime.

It is a super-2 number, since 2×16432451513369² (a number of 27 digits) contains 22 as substring.

Together with 16432451513371, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16432451513369.

It is not a weakly prime, because it can be changed into another prime (16432451513399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216225756684 + 8216225756685.

It is an arithmetic number, because the mean of its divisors is an integer number (8216225756685).

Almost surely, 2^{16432451513369} is an apocalyptic number.

It is an amenable number.

16432451513369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432451513369 is an equidigital number, since it uses as much as digits as its factorization.

16432451513369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 53.

The spelling of 16432451513369 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, five hundred thirteen thousand, three hundred sixty-nine".