12326613816457 has 2 divisors, whose sum is σ = 12326613816458. Its totient is φ = 12326613816456.

The previous prime is 12326613816437. The next prime is 12326613816463. The reversal of 12326613816457 is 75461831662321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10703000143936 + 1623613672521 = 3271544^2 + 1274211^2 .

It is a cyclic number.

It is not a de Polignac number, because 12326613816457 - 2¹¹ = 12326613814409 is a prime.

It is a super-4 number, since 4×12326613816457⁴ (a number of 53 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12326613816398 and 12326613816407.

It is not a weakly prime, because it can be changed into another prime (12326613816437) 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, 6163306908228 + 6163306908229.

It is an arithmetic number, because the mean of its divisors is an integer number (6163306908229).

Almost surely, 2^{12326613816457} is an apocalyptic number.

It is an amenable number.

12326613816457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12326613816457 is an equidigital number, since it uses as much as digits as its factorization.

12326613816457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 12326613816457 in words is "twelve trillion, three hundred twenty-six billion, six hundred thirteen million, eight hundred sixteen thousand, four hundred fifty-seven".