567345235421 has 2 divisors, whose sum is σ = 567345235422. Its totient is φ = 567345235420.

The previous prime is 567345235409. The next prime is 567345235423. The reversal of 567345235421 is 124532543765.

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., 438707522500 + 128637712921 = 662350^2 + 358661^2 .

It is a cyclic number.

It is not a de Polignac number, because 567345235421 - 2⁶ = 567345235357 is a prime.

Together with 567345235423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (567345235423) 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, 283672617710 + 283672617711.

It is an arithmetic number, because the mean of its divisors is an integer number (283672617711).

Almost surely, 2^567345235421 is an apocalyptic number.

It is an amenable number.

567345235421 is a deficient number, since it is larger than the sum of its proper divisors (1).

567345235421 is an equidigital number, since it uses as much as digits as its factorization.

567345235421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 47.

The spelling of 567345235421 in words is "five hundred sixty-seven billion, three hundred forty-five million, two hundred thirty-five thousand, four hundred twenty-one".