13316533466389 has 2 divisors, whose sum is σ = 13316533466390. Its totient is φ = 13316533466388.

The previous prime is 13316533466387. The next prime is 13316533466441. The reversal of 13316533466389 is 98366433561331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8815525119025 + 4501008347364 = 2969095^2 + 2121558^2 .

It is a cyclic number.

It is not a de Polignac number, because 13316533466389 - 2¹ = 13316533466387 is a prime.

It is a super-2 number, since 2×13316533466389² (a number of 27 digits) contains 22 as substring.

Together with 13316533466387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13316533466387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6658266733194 + 6658266733195.

It is an arithmetic number, because the mean of its divisors is an integer number (6658266733195).

Almost surely, 2^{13316533466389} is an apocalyptic number.

It is an amenable number.

13316533466389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13316533466389 is an equidigital number, since it uses as much as digits as its factorization.

13316533466389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 61.

The spelling of 13316533466389 in words is "thirteen trillion, three hundred sixteen billion, five hundred thirty-three million, four hundred sixty-six thousand, three hundred eighty-nine".