2889489685 has 8 divisors (see below), whose sum is σ = 3481896960. Its totient is φ = 2301918864.

The previous prime is 2889489671. The next prime is 2889489689. The reversal of 2889489685 is 5869849882.

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 2889489685 - 2⁵ = 2889489653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2889489685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889489689) 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, 1207797 + ... + 1210186.

It is an arithmetic number, because the mean of its divisors is an integer number (435237120).

Almost surely, 2^2889489685 is an apocalyptic number.

It is an amenable number.

2889489685 is a deficient number, since it is larger than the sum of its proper divisors (592407275).

2889489685 is a wasteful number, since it uses less digits than its factorization.

2889489685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418227.

The product of its digits is 79626240, while the sum is 67.

The square root of 2889489685 is about 53753.9736670695. The cubic root of 2889489685 is about 1424.3182843656.

The spelling of 2889489685 in words is "two billion, eight hundred eighty-nine million, four hundred eighty-nine thousand, six hundred eighty-five".