42854298561 has 16 divisors (see below), whose sum is σ = 63491369920. Its totient is φ = 28567948320.

The previous prime is 42854298521. The next prime is 42854298593. The reversal of 42854298561 is 16589245824.

42854298561 is a `hidden beast` number, since 4 + 2 + 8 + 54 + 29 + 8 + 561 = 666.

42854298561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42854298561 - 2⁶ = 42854298497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42854298498 and 42854298507.

It is not an unprimeable number, because it can be changed into a prime (42854298511) 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, 652326 + ... + 715008.

It is an arithmetic number, because the mean of its divisors is an integer number (3968210620).

Almost surely, 2^42854298561 is an apocalyptic number.

It is an amenable number.

42854298561 is a deficient number, since it is larger than the sum of its proper divisors (20637071359).

42854298561 is a wasteful number, since it uses less digits than its factorization.

42854298561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88013 (or 88007 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 42854298561 in words is "forty-two billion, eight hundred fifty-four million, two hundred ninety-eight thousand, five hundred sixty-one".