605506400643 has 16 divisors (see below), whose sum is σ = 826984287360. Its totient is φ = 393869429184.

The previous prime is 605506400633. The next prime is 605506400659. The reversal of 605506400643 is 346004605506.

It is not a de Polignac number, because 605506400643 - 2³³ = 596916466051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (605506400633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2339733 + ... + 2585606.

It is an arithmetic number, because the mean of its divisors is an integer number (51686517960).

Almost surely, 2^605506400643 is an apocalyptic number.

605506400643 is a deficient number, since it is larger than the sum of its proper divisors (221477886717).

605506400643 is a wasteful number, since it uses less digits than its factorization.

605506400643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926338.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 605506400643 in words is "six hundred five billion, five hundred six million, four hundred thousand, six hundred forty-three".