859601109485 has 4 divisors (see below), whose sum is σ = 1031521331388. Its totient is φ = 687680887584.

The previous prime is 859601109467. The next prime is 859601109491. The reversal of 859601109485 is 584901106958.

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

It can be written as a sum of positive squares in 2 ways, for example, as 234889499716 + 624711609769 = 484654^2 + 790387^2 .

It is a cyclic number.

It is not a de Polignac number, because 859601109485 - 2²⁰ = 859600060909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 859601109485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85960110944 + ... + 85960110953.

It is an arithmetic number, because the mean of its divisors is an integer number (257880332847).

Almost surely, 2^859601109485 is an apocalyptic number.

It is an amenable number.

859601109485 is a deficient number, since it is larger than the sum of its proper divisors (171920221903).

859601109485 is a wasteful number, since it uses less digits than its factorization.

859601109485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171920221902.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 859601109485 in words is "eight hundred fifty-nine billion, six hundred one million, one hundred nine thousand, four hundred eighty-five".