426428268067 has 2 divisors, whose sum is σ = 426428268068. Its totient is φ = 426428268066.

The previous prime is 426428268047. The next prime is 426428268163. The reversal of 426428268067 is 760862824624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426428268067 - 2²⁷ = 426294050339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426428267999 and 426428268017.

It is not a weakly prime, because it can be changed into another prime (426428268037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213214134033 + 213214134034.

It is an arithmetic number, because the mean of its divisors is an integer number (213214134034).

Almost surely, 2^426428268067 is an apocalyptic number.

426428268067 is a deficient number, since it is larger than the sum of its proper divisors (1).

426428268067 is an equidigital number, since it uses as much as digits as its factorization.

426428268067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 426428268067 in words is "four hundred twenty-six billion, four hundred twenty-eight million, two hundred sixty-eight thousand, sixty-seven".