426306021155543 has 2 divisors, whose sum is σ = 426306021155544. Its totient is φ = 426306021155542.

The previous prime is 426306021155351. The next prime is 426306021155549. The reversal of 426306021155543 is 345551120603624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426306021155543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426306021155549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213153010577771 + 213153010577772.

It is an arithmetic number, because the mean of its divisors is an integer number (213153010577772).

Almost surely, 2^{426306021155543} is an apocalyptic number.

426306021155543 is a deficient number, since it is larger than the sum of its proper divisors (1).

426306021155543 is an equidigital number, since it uses as much as digits as its factorization.

426306021155543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 426306021155543 in words is "four hundred twenty-six trillion, three hundred six billion, twenty-one million, one hundred fifty-five thousand, five hundred forty-three".