426961846243 has 2 divisors, whose sum is σ = 426961846244. Its totient is φ = 426961846242.

The previous prime is 426961846219. The next prime is 426961846327. The reversal of 426961846243 is 342648169624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426961846243 - 2⁹ = 426961845731 is a prime.

It is a super-3 number, since 3×426961846243³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (426961846643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213480923121 + 213480923122.

It is an arithmetic number, because the mean of its divisors is an integer number (213480923122).

Almost surely, 2^426961846243 is an apocalyptic number.

426961846243 is a deficient number, since it is larger than the sum of its proper divisors (1).

426961846243 is an equidigital number, since it uses as much as digits as its factorization.

426961846243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11943936, while the sum is 55.

The spelling of 426961846243 in words is "four hundred twenty-six billion, nine hundred sixty-one million, eight hundred forty-six thousand, two hundred forty-three".