426845264591 has 2 divisors, whose sum is σ = 426845264592. Its totient is φ = 426845264590.

The previous prime is 426845264557. The next prime is 426845264683. The reversal of 426845264591 is 195462548624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426845264591 is a prime.

It is a super-3 number, since 3×426845264591³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426845264891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213422632295 + 213422632296.

It is an arithmetic number, because the mean of its divisors is an integer number (213422632296).

Almost surely, 2^426845264591 is an apocalyptic number.

426845264591 is a deficient number, since it is larger than the sum of its proper divisors (1).

426845264591 is an equidigital number, since it uses as much as digits as its factorization.

426845264591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16588800, while the sum is 56.

The spelling of 426845264591 in words is "four hundred twenty-six billion, eight hundred forty-five million, two hundred sixty-four thousand, five hundred ninety-one".