2845384661 has 8 divisors (see below), whose sum is σ = 3258925824. Its totient is φ = 2433607920.

The previous prime is 2845384651. The next prime is 2845384687. The reversal of 2845384661 is 1664835482.

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 2845384661 - 2¹⁰ = 2845383637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845384651) 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, 437645 + ... + 444098.

It is an arithmetic number, because the mean of its divisors is an integer number (407365728).

Almost surely, 2^2845384661 is an apocalyptic number.

It is an amenable number.

2845384661 is a deficient number, since it is larger than the sum of its proper divisors (413541163).

2845384661 is an equidigital number, since it uses as much as digits as its factorization.

2845384661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882211.

The product of its digits is 1105920, while the sum is 47.

The square root of 2845384661 is about 53342.1471352626. The cubic root of 2845384661 is about 1417.0341889801.

The spelling of 2845384661 in words is "two billion, eight hundred forty-five million, three hundred eighty-four thousand, six hundred sixty-one".