61066414331473 has 2 divisors, whose sum is σ = 61066414331474. Its totient is φ = 61066414331472.

The previous prime is 61066414331389. The next prime is 61066414331557. The reversal of 61066414331473 is 37413341466016.

61066414331473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (61066414331389) and next prime (61066414331557).

It can be written as a sum of positive squares in only one way, i.e., 34059923143744 + 27006491187729 = 5836088^2 + 5196777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61066414331473 is a prime.

It is not a weakly prime, because it can be changed into another prime (61066414335473) 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, 30533207165736 + 30533207165737.

It is an arithmetic number, because the mean of its divisors is an integer number (30533207165737).

Almost surely, 2^{61066414331473} is an apocalyptic number.

It is an amenable number.

61066414331473 is a deficient number, since it is larger than the sum of its proper divisors (1).

61066414331473 is an equidigital number, since it uses as much as digits as its factorization.

61066414331473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 49.

Adding to 61066414331473 its reverse (37413341466016), we get a palindrome (98479755797489).

The spelling of 61066414331473 in words is "sixty-one trillion, sixty-six billion, four hundred fourteen million, three hundred thirty-one thousand, four hundred seventy-three".