42656571079 has 8 divisors (see below), whose sum is σ = 42906259872. Its totient is φ = 42407178240.

The previous prime is 42656571073. The next prime is 42656571107. The reversal of 42656571079 is 97017565624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42656571079 - 2¹⁵ = 42656538311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656571073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218487 + ... + 364759.

It is an arithmetic number, because the mean of its divisors is an integer number (5363282484).

Almost surely, 2^42656571079 is an apocalyptic number.

42656571079 is a deficient number, since it is larger than the sum of its proper divisors (249688793).

42656571079 is a wasteful number, since it uses less digits than its factorization.

42656571079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147977.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 42656571079 in words is "forty-two billion, six hundred fifty-six million, five hundred seventy-one thousand, seventy-nine".