42846702561 has 24 divisors (see below), whose sum is σ = 66731560896. Its totient is φ = 26335104480.

The previous prime is 42846702557. The next prime is 42846702589. The reversal of 42846702561 is 16520764824.

42846702561 is a `hidden beast` number, since 4 + 2 + 84 + 6 + 7 + 0 + 2 + 561 = 666.

It is not a de Polignac number, because 42846702561 - 2² = 42846702557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42846702511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126195 + ... + 318776.

It is an arithmetic number, because the mean of its divisors is an integer number (2780481704).

Almost surely, 2^42846702561 is an apocalyptic number.

It is an amenable number.

42846702561 is a deficient number, since it is larger than the sum of its proper divisors (23884858335).

42846702561 is a wasteful number, since it uses less digits than its factorization.

42846702561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445813 (or 445810 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 42846702561 in words is "forty-two billion, eight hundred forty-six million, seven hundred two thousand, five hundred sixty-one".