42807569173 has 16 divisors (see below), whose sum is σ = 45158175216. Its totient is φ = 40525263360.

The previous prime is 42807569153. The next prime is 42807569179. The reversal of 42807569173 is 37196570824.

It can be written as a sum of positive squares in 8 ways, for example, as 786769 + 42806782404 = 887^2 + 206898^2 .

It is a cyclic number.

It is not a de Polignac number, because 42807569173 - 2⁵ = 42807569141 is a prime.

It is a super-3 number, since 3×42807569173³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42807569173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42807569179) 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, 528015 + ... + 603667.

It is an arithmetic number, because the mean of its divisors is an integer number (2822385951).

It is a 1-persistent number, because it is pandigital, but 2⋅42807569173 = 85615138346 is not.

Almost surely, 2^42807569173 is an apocalyptic number.

It is an amenable number.

42807569173 is a deficient number, since it is larger than the sum of its proper divisors (2350606043).

42807569173 is a wasteful number, since it uses less digits than its factorization.

42807569173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76104.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 42807569173 in words is "forty-two billion, eight hundred seven million, five hundred sixty-nine thousand, one hundred seventy-three".