42546886571 has 4 divisors (see below), whose sum is σ = 48625013232. Its totient is φ = 36468759912.

The previous prime is 42546886567. The next prime is 42546886573. The reversal of 42546886571 is 17568864524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42546886571 - 2² = 42546886567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42546886573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039063320 + ... + 3039063333.

It is an arithmetic number, because the mean of its divisors is an integer number (12156253308).

Almost surely, 2^42546886571 is an apocalyptic number.

42546886571 is a deficient number, since it is larger than the sum of its proper divisors (6078126661).

42546886571 is an equidigital number, since it uses as much as digits as its factorization.

42546886571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078126660.

The product of its digits is 12902400, while the sum is 56.

The spelling of 42546886571 in words is "forty-two billion, five hundred forty-six million, eight hundred eighty-six thousand, five hundred seventy-one".