426666773805 has 16 divisors (see below), whose sum is σ = 682934716800. Its totient is φ = 227466319808.

The previous prime is 426666773777. The next prime is 426666773807. The reversal of 426666773805 is 508377666624.

It is a cyclic number.

It is not a de Polignac number, because 426666773805 - 2¹⁵ = 426666741037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426666773807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5541297 + ... + 5617766.

It is an arithmetic number, because the mean of its divisors is an integer number (42683419800).

Almost surely, 2^426666773805 is an apocalyptic number.

It is an amenable number.

426666773805 is a deficient number, since it is larger than the sum of its proper divisors (256267942995).

426666773805 is a wasteful number, since it uses less digits than its factorization.

426666773805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161620.

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 426666773805 in words is "four hundred twenty-six billion, six hundred sixty-six million, seven hundred seventy-three thousand, eight hundred five".