426801967 has 2 divisors, whose sum is σ = 426801968. Its totient is φ = 426801966.

The previous prime is 426801913. The next prime is 426801979. The reversal of 426801967 is 769108624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426801967 - 2⁷ = 426801839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426801367) 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, 213400983 + 213400984.

It is an arithmetic number, because the mean of its divisors is an integer number (213400984).

Almost surely, 2^426801967 is an apocalyptic number.

426801967 is a deficient number, since it is larger than the sum of its proper divisors (1).

426801967 is an equidigital number, since it uses as much as digits as its factorization.

426801967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 426801967 is about 20659.1860197831. The cubic root of 426801967 is about 752.9083912500.

The spelling of 426801967 in words is "four hundred twenty-six million, eight hundred one thousand, nine hundred sixty-seven".