12973729320533 has 2 divisors, whose sum is σ = 12973729320534. Its totient is φ = 12973729320532.

The previous prime is 12973729320521. The next prime is 12973729320553. The reversal of 12973729320533 is 33502392737921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12925987944529 + 47741376004 = 3595273^2 + 218498^2 .

It is a cyclic number.

It is not a de Polignac number, because 12973729320533 - 2¹⁴ = 12973729304149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12973729320553) 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, 6486864660266 + 6486864660267.

It is an arithmetic number, because the mean of its divisors is an integer number (6486864660267).

Almost surely, 2^{12973729320533} is an apocalyptic number.

It is an amenable number.

12973729320533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12973729320533 is an equidigital number, since it uses as much as digits as its factorization.

12973729320533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12859560, while the sum is 56.

The spelling of 12973729320533 in words is "twelve trillion, nine hundred seventy-three billion, seven hundred twenty-nine million, three hundred twenty thousand, five hundred thirty-three".