60644746012769 has 2 divisors, whose sum is σ = 60644746012770. Its totient is φ = 60644746012768.

The previous prime is 60644746012751. The next prime is 60644746012811. The reversal of 60644746012769 is 96721064744606.

It is a happy number.

60644746012769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31173093724369 + 29471652288400 = 5583287^2 + 5428780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60644746012769 is a prime.

It is a super-2 number, since 2×60644746012769² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60644746011769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30322373006384 + 30322373006385.

It is an arithmetic number, because the mean of its divisors is an integer number (30322373006385).

Almost surely, 2^{60644746012769} is an apocalyptic number.

It is an amenable number.

60644746012769 is a deficient number, since it is larger than the sum of its proper divisors (1).

60644746012769 is an equidigital number, since it uses as much as digits as its factorization.

60644746012769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 60644746012769 in words is "sixty trillion, six hundred forty-four billion, seven hundred forty-six million, twelve thousand, seven hundred sixty-nine".