13642565341331 has 2 divisors, whose sum is σ = 13642565341332. Its totient is φ = 13642565341330.

The previous prime is 13642565341313. The next prime is 13642565341381. The reversal of 13642565341331 is 13314356524631.

Together with previous prime (13642565341313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13642565341331 - 2³⁰ = 13641491599507 is a prime.

It is a super-2 number, since 2×13642565341331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13642565341381) 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, 6821282670665 + 6821282670666.

It is an arithmetic number, because the mean of its divisors is an integer number (6821282670666).

Almost surely, 2^{13642565341331} is an apocalyptic number.

13642565341331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13642565341331 is an equidigital number, since it uses as much as digits as its factorization.

13642565341331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 47.

The spelling of 13642565341331 in words is "thirteen trillion, six hundred forty-two billion, five hundred sixty-five million, three hundred forty-one thousand, three hundred thirty-one".