427385342347 has 2 divisors, whose sum is σ = 427385342348. Its totient is φ = 427385342346.

The previous prime is 427385342333. The next prime is 427385342383. The reversal of 427385342347 is 743243583724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427385342347 - 2¹¹ = 427385340299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427385342294 and 427385342303.

It is not a weakly prime, because it can be changed into another prime (427385345347) 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, 213692671173 + 213692671174.

It is an arithmetic number, because the mean of its divisors is an integer number (213692671174).

Almost surely, 2^427385342347 is an apocalyptic number.

427385342347 is a deficient number, since it is larger than the sum of its proper divisors (1).

427385342347 is an equidigital number, since it uses as much as digits as its factorization.

427385342347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 52.

The spelling of 427385342347 in words is "four hundred twenty-seven billion, three hundred eighty-five million, three hundred forty-two thousand, three hundred forty-seven".