426845971 has 2 divisors, whose sum is σ = 426845972. Its totient is φ = 426845970.

The previous prime is 426845959. The next prime is 426845987. The reversal of 426845971 is 179548624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426845971 - 2⁹ = 426845459 is a prime.

It is a super-3 number, since 3×426845971³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426845921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213422985 + 213422986.

It is an arithmetic number, because the mean of its divisors is an integer number (213422986).

Almost surely, 2^426845971 is an apocalyptic number.

426845971 is a deficient number, since it is larger than the sum of its proper divisors (1).

426845971 is an equidigital number, since it uses as much as digits as its factorization.

426845971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 426845971 is about 20660.2509907310. The cubic root of 426845971 is about 752.9342657343.

The spelling of 426845971 in words is "four hundred twenty-six million, eight hundred forty-five thousand, nine hundred seventy-one".