13320443573 has 2 divisors, whose sum is σ = 13320443574. Its totient is φ = 13320443572.

The previous prime is 13320443567. The next prime is 13320443621. The reversal of 13320443573 is 37534402331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11662488049 + 1657955524 = 107993^2 + 40718^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320443573 - 2¹⁶ = 13320378037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13320443273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660221786 + 6660221787.

It is an arithmetic number, because the mean of its divisors is an integer number (6660221787).

Almost surely, 2^13320443573 is an apocalyptic number.

It is an amenable number.

13320443573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320443573 is an equidigital number, since it uses as much as digits as its factorization.

13320443573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 35.

The spelling of 13320443573 in words is "thirteen billion, three hundred twenty million, four hundred forty-three thousand, five hundred seventy-three".