42965876585 has 8 divisors (see below), whose sum is σ = 54591937416. Its totient is φ = 32350777600.

The previous prime is 42965876567. The next prime is 42965876609. The reversal of 42965876585 is 58567856924.

It can be written as a sum of positive squares in 4 ways, for example, as 15933255529 + 27032621056 = 126227^2 + 164416^2 .

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

It is not a de Polignac number, because 42965876585 - 2²⁶ = 42898767721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252740366 + ... + 252740535.

It is an arithmetic number, because the mean of its divisors is an integer number (6823992177).

Almost surely, 2^42965876585 is an apocalyptic number.

It is an amenable number.

42965876585 is a deficient number, since it is larger than the sum of its proper divisors (11626060831).

42965876585 is a wasteful number, since it uses less digits than its factorization.

42965876585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505480923.

The product of its digits is 145152000, while the sum is 65.

The spelling of 42965876585 in words is "forty-two billion, nine hundred sixty-five million, eight hundred seventy-six thousand, five hundred eighty-five".