426147811 has 2 divisors, whose sum is σ = 426147812. Its totient is φ = 426147810.

The previous prime is 426147803. The next prime is 426147853. The reversal of 426147811 is 118741624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426147811 - 2³ = 426147803 is a prime.

It is not a weakly prime, because it can be changed into another prime (426147011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213073905 + 213073906.

It is an arithmetic number, because the mean of its divisors is an integer number (213073906).

Almost surely, 2^426147811 is an apocalyptic number.

426147811 is a deficient number, since it is larger than the sum of its proper divisors (1).

426147811 is an equidigital number, since it uses as much as digits as its factorization.

426147811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 426147811 is about 20643.3478631737. The cubic root of 426147811 is about 752.5235356487.

The spelling of 426147811 in words is "four hundred twenty-six million, one hundred forty-seven thousand, eight hundred eleven".