426244043111 has 2 divisors, whose sum is σ = 426244043112. Its totient is φ = 426244043110.

The previous prime is 426244043089. The next prime is 426244043129. The reversal of 426244043111 is 111340442624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426244043111 - 2³⁴ = 409064173927 is a prime.

It is a super-2 number, since 2×426244043111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426244043191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213122021555 + 213122021556.

It is an arithmetic number, because the mean of its divisors is an integer number (213122021556).

Almost surely, 2^426244043111 is an apocalyptic number.

426244043111 is a deficient number, since it is larger than the sum of its proper divisors (1).

426244043111 is an equidigital number, since it uses as much as digits as its factorization.

426244043111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 426244043111 its reverse (111340442624), we get a palindrome (537584485735).

The spelling of 426244043111 in words is "four hundred twenty-six billion, two hundred forty-four million, forty-three thousand, one hundred eleven".