426555163 has 2 divisors, whose sum is σ = 426555164. Its totient is φ = 426555162.

The previous prime is 426555137. The next prime is 426555167. The reversal of 426555163 is 361555624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426555163 - 2⁵ = 426555131 is a prime.

It is not a weakly prime, because it can be changed into another prime (426555167) 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, 213277581 + 213277582.

It is an arithmetic number, because the mean of its divisors is an integer number (213277582).

Almost surely, 2^426555163 is an apocalyptic number.

426555163 is a deficient number, since it is larger than the sum of its proper divisors (1).

426555163 is an equidigital number, since it uses as much as digits as its factorization.

426555163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The square root of 426555163 is about 20653.2119293828. The cubic root of 426555163 is about 752.7632367863.

The spelling of 426555163 in words is "four hundred twenty-six million, five hundred fifty-five thousand, one hundred sixty-three".