13375057321 has 2 divisors, whose sum is σ = 13375057322. Its totient is φ = 13375057320.

The previous prime is 13375057303. The next prime is 13375057349. The reversal of 13375057321 is 12375057331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8642305296 + 4732752025 = 92964^2 + 68795^2 .

It is a cyclic number.

It is not a de Polignac number, because 13375057321 - 2⁹ = 13375056809 is a prime.

It is not a weakly prime, because it can be changed into another prime (13375057301) 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, 6687528660 + 6687528661.

It is an arithmetic number, because the mean of its divisors is an integer number (6687528661).

Almost surely, 2^13375057321 is an apocalyptic number.

It is an amenable number.

13375057321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13375057321 is an equidigital number, since it uses as much as digits as its factorization.

13375057321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 37.

The spelling of 13375057321 in words is "thirteen billion, three hundred seventy-five million, fifty-seven thousand, three hundred twenty-one".