10643265112769 has 2 divisors, whose sum is σ = 10643265112770. Its totient is φ = 10643265112768.

The previous prime is 10643265112757. The next prime is 10643265112787. The reversal of 10643265112769 is 96721156234601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9681712287025 + 961552825744 = 3111545^2 + 980588^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643265112769 - 2¹² = 10643265108673 is a prime.

It is a super-2 number, since 2×10643265112769² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10643265112769.

It is not a weakly prime, because it can be changed into another prime (10643265111769) 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, 5321632556384 + 5321632556385.

It is an arithmetic number, because the mean of its divisors is an integer number (5321632556385).

Almost surely, 2^{10643265112769} is an apocalyptic number.

It is an amenable number.

10643265112769 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643265112769 is an equidigital number, since it uses as much as digits as its factorization.

10643265112769 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 53.

The spelling of 10643265112769 in words is "ten trillion, six hundred forty-three billion, two hundred sixty-five million, one hundred twelve thousand, seven hundred sixty-nine".