426873632193 has 12 divisors (see below), whose sum is σ = 616917589860. Its totient is φ = 284433647616.

The previous prime is 426873632191. The next prime is 426873632201. The reversal of 426873632193 is 391236378624.

426873632193 is a `hidden beast` number, since 4 + 2 + 68 + 7 + 363 + 219 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 382298599809 + 44575032384 = 618303^2 + 211128^2 .

It is not a de Polignac number, because 426873632193 - 2¹ = 426873632191 is a prime.

It is a super-3 number, since 3×426873632193³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (426873632191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12379648 + ... + 12414081.

It is an arithmetic number, because the mean of its divisors is an integer number (51409799155).

Almost surely, 2^426873632193 is an apocalyptic number.

It is an amenable number.

426873632193 is a deficient number, since it is larger than the sum of its proper divisors (190043957667).

426873632193 is a wasteful number, since it uses less digits than its factorization.

426873632193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24795648 (or 24795645 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 426873632193 in words is "four hundred twenty-six billion, eight hundred seventy-three million, six hundred thirty-two thousand, one hundred ninety-three".