13323203220989 has 2 divisors, whose sum is σ = 13323203220990. Its totient is φ = 13323203220988.

The previous prime is 13323203220973. The next prime is 13323203221019. The reversal of 13323203220989 is 98902230232331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11292677969764 + 2030525251225 = 3360458^2 + 1424965^2 .

It is a cyclic number.

It is not a de Polignac number, because 13323203220989 - 2⁴ = 13323203220973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13323203220889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661601610494 + 6661601610495.

It is an arithmetic number, because the mean of its divisors is an integer number (6661601610495).

Almost surely, 2^{13323203220989} is an apocalyptic number.

It is an amenable number.

13323203220989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323203220989 is an equidigital number, since it uses as much as digits as its factorization.

13323203220989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 13323203220989 in words is "thirteen trillion, three hundred twenty-three billion, two hundred three million, two hundred twenty thousand, nine hundred eighty-nine".