426648820653 has 48 divisors (see below), whose sum is σ = 710853212160. Its totient is φ = 243867088800.

The previous prime is 426648820573. The next prime is 426648820679. The reversal of 426648820653 is 356028846624.

It is a happy number.

426648820653 is a `hidden beast` number, since 42 + 66 + 488 + 2 + 0 + 65 + 3 = 666.

It is not a de Polignac number, because 426648820653 - 2²⁰ = 426647772077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426648820653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426648820693) 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 47 ways as a sum of consecutive naturals, for example, 89103 + ... + 928028.

It is an arithmetic number, because the mean of its divisors is an integer number (14809441920).

Almost surely, 2^426648820653 is an apocalyptic number.

It is an amenable number.

426648820653 is a deficient number, since it is larger than the sum of its proper divisors (284204391507).

426648820653 is a wasteful number, since it uses less digits than its factorization.

426648820653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017390 (or 1017387 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 426648820653 in words is "four hundred twenty-six billion, six hundred forty-eight million, eight hundred twenty thousand, six hundred fifty-three".