42942575685 has 8 divisors (see below), whose sum is σ = 68708121120. Its totient is φ = 22902707024.

The previous prime is 42942575657. The next prime is 42942575699. The reversal of 42942575685 is 58657524924.

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 42942575685 - 2⁹ = 42942575173 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431419175 + ... + 1431419204.

It is an arithmetic number, because the mean of its divisors is an integer number (8588515140).

Almost surely, 2^42942575685 is an apocalyptic number.

It is an amenable number.

42942575685 is a deficient number, since it is larger than the sum of its proper divisors (25765545435).

42942575685 is a wasteful number, since it uses less digits than its factorization.

42942575685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862838387.

The product of its digits is 24192000, while the sum is 57.

The spelling of 42942575685 in words is "forty-two billion, nine hundred forty-two million, five hundred seventy-five thousand, six hundred eighty-five".