13312213301549 has 2 divisors, whose sum is σ = 13312213301550. Its totient is φ = 13312213301548.

The previous prime is 13312213301381. The next prime is 13312213301551. The reversal of 13312213301549 is 94510331221331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8041024348900 + 5271188952649 = 2835670^2 + 2295907^2 .

It is a cyclic number.

It is not a de Polignac number, because 13312213301549 - 2¹⁶ = 13312213236013 is a prime.

Together with 13312213301551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13312213300549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656106650774 + 6656106650775.

It is an arithmetic number, because the mean of its divisors is an integer number (6656106650775).

Almost surely, 2^{13312213301549} is an apocalyptic number.

It is an amenable number.

13312213301549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312213301549 is an equidigital number, since it uses as much as digits as its factorization.

13312213301549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 13312213301549 in words is "thirteen trillion, three hundred twelve billion, two hundred thirteen million, three hundred one thousand, five hundred forty-nine".