426844247971 has 2 divisors, whose sum is σ = 426844247972. Its totient is φ = 426844247970.

The previous prime is 426844247939. The next prime is 426844248011. The reversal of 426844247971 is 179742448624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426844247971 - 2⁵ = 426844247939 is a prime.

It is a super-3 number, since 3×426844247971³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (426844247371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213422123985 + 213422123986.

It is an arithmetic number, because the mean of its divisors is an integer number (213422123986).

Almost surely, 2^426844247971 is an apocalyptic number.

426844247971 is a deficient number, since it is larger than the sum of its proper divisors (1).

426844247971 is an equidigital number, since it uses as much as digits as its factorization.

426844247971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 58.

The spelling of 426844247971 in words is "four hundred twenty-six billion, eight hundred forty-four million, two hundred forty-seven thousand, nine hundred seventy-one".