4805686889 has 8 divisors (see below), whose sum is σ = 4974429000. Its totient is φ = 4637146752.

The previous prime is 4805686877. The next prime is 4805686909. The reversal of 4805686889 is 9886865084.

It can be written as a sum of positive squares in 4 ways, for example, as 2419852864 + 2385834025 = 49192^2 + 48845^2 .

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 4805686889 - 2²⁰ = 4804638313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4805686829) 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, 1244 + ... + 98045.

It is an arithmetic number, because the mean of its divisors is an integer number (621803625).

Almost surely, 2^4805686889 is an apocalyptic number.

It is an amenable number.

4805686889 is a deficient number, since it is larger than the sum of its proper divisors (168742111).

4805686889 is a wasteful number, since it uses less digits than its factorization.

4805686889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100987.

The product of its (nonzero) digits is 26542080, while the sum is 62.

The square root of 4805686889 is about 69323.0617399434. The cubic root of 4805686889 is about 1687.5312493454.

The spelling of 4805686889 in words is "four billion, eight hundred five million, six hundred eighty-six thousand, eight hundred eighty-nine".