2889601856 has 14 divisors (see below), whose sum is σ = 5734053810. Its totient is φ = 1444800896.

The previous prime is 2889601801. The next prime is 2889601889. The reversal of 2889601856 is 6581069882.

It can be written as a sum of positive squares in only one way, i.e., 1707342400 + 1182259456 = 41320^2 + 34384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2889601798 and 2889601807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22574951 + ... + 22575078.

Almost surely, 2^2889601856 is an apocalyptic number.

It is an amenable number.

2889601856 is a deficient number, since it is larger than the sum of its proper divisors (2844451954).

2889601856 is an equidigital number, since it uses as much as digits as its factorization.

2889601856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45150041 (or 45150031 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 2889601856 is about 53755.0170309712. The cubic root of 2889601856 is about 1424.3367149717.

The spelling of 2889601856 in words is "two billion, eight hundred eighty-nine million, six hundred one thousand, eight hundred fifty-six".