13374122381 has 2 divisors, whose sum is σ = 13374122382. Its totient is φ = 13374122380.

The previous prime is 13374122371. The next prime is 13374122413. The reversal of 13374122381 is 18322147331.

It is a happy number.

13374122381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9865455625 + 3508666756 = 99325^2 + 59234^2 .

It is a cyclic number.

It is not a de Polignac number, because 13374122381 - 2³⁰ = 12300380557 is a prime.

It is a super-2 number, since 2×13374122381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13374122341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687061190 + 6687061191.

It is an arithmetic number, because the mean of its divisors is an integer number (6687061191).

Almost surely, 2^13374122381 is an apocalyptic number.

It is an amenable number.

13374122381 is a deficient number, since it is larger than the sum of its proper divisors (1).

13374122381 is an equidigital number, since it uses as much as digits as its factorization.

13374122381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The spelling of 13374122381 in words is "thirteen billion, three hundred seventy-four million, one hundred twenty-two thousand, three hundred eighty-one".