426244043191 has 2 divisors, whose sum is σ = 426244043192. Its totient is φ = 426244043190.

The previous prime is 426244043129. The next prime is 426244043201. The reversal of 426244043191 is 191340442624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426244043191 - 2¹⁷ = 426243912119 is a prime.

It is a super-3 number, since 3×426244043191³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426244043111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213122021595 + 213122021596.

It is an arithmetic number, because the mean of its divisors is an integer number (213122021596).

Almost surely, 2^426244043191 is an apocalyptic number.

426244043191 is a deficient number, since it is larger than the sum of its proper divisors (1).

426244043191 is an equidigital number, since it uses as much as digits as its factorization.

426244043191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 426244043191 in words is "four hundred twenty-six billion, two hundred forty-four million, forty-three thousand, one hundred ninety-one".