2905486561 has 4 divisors (see below), whose sum is σ = 2967305472. Its totient is φ = 2843667652.

The previous prime is 2905486543. The next prime is 2905486567. The reversal of 2905486561 is 1656845092.

2905486561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2905486561 - 2¹¹ = 2905484513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2905486567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30909385 + ... + 30909478.

It is an arithmetic number, because the mean of its divisors is an integer number (741826368).

Almost surely, 2^2905486561 is an apocalyptic number.

It is an amenable number.

2905486561 is a deficient number, since it is larger than the sum of its proper divisors (61818911).

2905486561 is an equidigital number, since it uses as much as digits as its factorization.

2905486561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61818910.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 2905486561 is about 53902.5654398749. The cubic root of 2905486561 is about 1426.9418992951.

The spelling of 2905486561 in words is "two billion, nine hundred five million, four hundred eighty-six thousand, five hundred sixty-one".