5661845589 has 16 divisors (see below), whose sum is σ = 7599029760. Its totient is φ = 3749641200.

The previous prime is 5661845573. The next prime is 5661845599. The reversal of 5661845589 is 9855481665.

5661845589 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5661845589 - 2⁴ = 5661845573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661845509) 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, 1269814 + ... + 1274264.

It is an arithmetic number, because the mean of its divisors is an integer number (474939360).

Almost surely, 2^5661845589 is an apocalyptic number.

It is an amenable number.

5661845589 is a deficient number, since it is larger than the sum of its proper divisors (1937184171).

5661845589 is a wasteful number, since it uses less digits than its factorization.

5661845589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its digits is 10368000, while the sum is 57.

The square root of 5661845589 is about 75245.2363209792. The cubic root of 5661845589 is about 1782.3213400310.

The spelling of 5661845589 in words is "five billion, six hundred sixty-one million, eight hundred forty-five thousand, five hundred eighty-nine".