426618067 has 2 divisors, whose sum is σ = 426618068. Its totient is φ = 426618066.

The previous prime is 426618037. The next prime is 426618089. The reversal of 426618067 is 760816624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426618067 is a prime.

It is not a weakly prime, because it can be changed into another prime (426618037) 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, 213309033 + 213309034.

It is an arithmetic number, because the mean of its divisors is an integer number (213309034).

Almost surely, 2^426618067 is an apocalyptic number.

426618067 is a deficient number, since it is larger than the sum of its proper divisors (1).

426618067 is an equidigital number, since it uses as much as digits as its factorization.

426618067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 426618067 is about 20654.7347356484. The cubic root of 426618067 is about 752.8002382461.

The spelling of 426618067 in words is "four hundred twenty-six million, six hundred eighteen thousand, sixty-seven".