1305425323429 has 2 divisors, whose sum is σ = 1305425323430. Its totient is φ = 1305425323428.

The previous prime is 1305425323403. The next prime is 1305425323439. The reversal of 1305425323429 is 9243235245031.

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., 1090305607329 + 215119716100 = 1044177^2 + 463810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305425323429 - 2²³ = 1305416934821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305425323439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652712661714 + 652712661715.

It is an arithmetic number, because the mean of its divisors is an integer number (652712661715).

Almost surely, 2^{1305425323429} is an apocalyptic number.

It is an amenable number.

1305425323429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305425323429 is an equidigital number, since it uses as much as digits as its factorization.

1305425323429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 1305425323429 in words is "one trillion, three hundred five billion, four hundred twenty-five million, three hundred twenty-three thousand, four hundred twenty-nine".