13200320989 has 2 divisors, whose sum is σ = 13200320990. Its totient is φ = 13200320988.

The previous prime is 13200320983. The next prime is 13200321047. The reversal of 13200320989 is 98902300231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8938189764 + 4262131225 = 94542^2 + 65285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13200320989 - 2⁹ = 13200320477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13200320983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600160494 + 6600160495.

It is an arithmetic number, because the mean of its divisors is an integer number (6600160495).

Almost surely, 2^13200320989 is an apocalyptic number.

It is an amenable number.

13200320989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13200320989 is an equidigital number, since it uses as much as digits as its factorization.

13200320989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 13200320989 in words is "thirteen billion, two hundred million, three hundred twenty thousand, nine hundred eighty-nine".