2889364661 has 16 divisors (see below), whose sum is σ = 2989561344. Its totient is φ = 2790837504.

The previous prime is 2889364649. The next prime is 2889364691. The reversal of 2889364661 is 1664639882.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2889364661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889364631) 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, 1843100 + ... + 1844666.

It is an arithmetic number, because the mean of its divisors is an integer number (186847584).

Almost surely, 2^2889364661 is an apocalyptic number.

It is an amenable number.

2889364661 is a deficient number, since it is larger than the sum of its proper divisors (100196683).

2889364661 is a wasteful number, since it uses less digits than its factorization.

2889364661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its digits is 2985984, while the sum is 53.

The square root of 2889364661 is about 53752.8107265099. The cubic root of 2889364661 is about 1424.2977413451.

The spelling of 2889364661 in words is "two billion, eight hundred eighty-nine million, three hundred sixty-four thousand, six hundred sixty-one".