426171442773 has 4 divisors (see below), whose sum is σ = 568228590368. Its totient is φ = 284114295180.

The previous prime is 426171442759. The next prime is 426171442789. The reversal of 426171442773 is 377244171624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 426171442773 - 2¹² = 426171438677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426171442733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71028573793 + ... + 71028573798.

It is an arithmetic number, because the mean of its divisors is an integer number (142057147592).

Almost surely, 2^426171442773 is an apocalyptic number.

It is an amenable number.

426171442773 is a deficient number, since it is larger than the sum of its proper divisors (142057147595).

426171442773 is a wasteful number, since it uses less digits than its factorization.

426171442773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142057147594.

The product of its digits is 1580544, while the sum is 48.

The spelling of 426171442773 in words is "four hundred twenty-six billion, one hundred seventy-one million, four hundred forty-two thousand, seven hundred seventy-three".