426688422079 has 2 divisors, whose sum is σ = 426688422080. Its totient is φ = 426688422078.

The previous prime is 426688421987. The next prime is 426688422089. The reversal of 426688422079 is 970224886624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426688422079 - 2⁹ = 426688421567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426688422089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213344211039 + 213344211040.

It is an arithmetic number, because the mean of its divisors is an integer number (213344211040).

Almost surely, 2^426688422079 is an apocalyptic number.

426688422079 is a deficient number, since it is larger than the sum of its proper divisors (1).

426688422079 is an equidigital number, since it uses as much as digits as its factorization.

426688422079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 426688422079 in words is "four hundred twenty-six billion, six hundred eighty-eight million, four hundred twenty-two thousand, seventy-nine".