13321301211989 has 2 divisors, whose sum is σ = 13321301211990. Its totient is φ = 13321301211988.

The previous prime is 13321301211971. The next prime is 13321301212027. The reversal of 13321301211989 is 98911210312331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7512998770225 + 5808302441764 = 2740985^2 + 2410042^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321301211989 - 2²⁸ = 13321032776533 is a prime.

It is a super-2 number, since 2×13321301211989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321301211949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660650605994 + 6660650605995.

It is an arithmetic number, because the mean of its divisors is an integer number (6660650605995).

Almost surely, 2^{13321301211989} is an apocalyptic number.

It is an amenable number.

13321301211989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321301211989 is an equidigital number, since it uses as much as digits as its factorization.

13321301211989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 13321301211989 in words is "thirteen trillion, three hundred twenty-one billion, three hundred one million, two hundred eleven thousand, nine hundred eighty-nine".