5605474561 has 4 divisors (see below), whose sum is σ = 5605656624. Its totient is φ = 5605292500.

The previous prime is 5605474559. The next prime is 5605474603. The reversal of 5605474561 is 1654745065.

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 5605474561 - 2¹ = 5605474559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5605774561) 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, 32155 + ... + 110656.

It is an arithmetic number, because the mean of its divisors is an integer number (1401414156).

Almost surely, 2^5605474561 is an apocalyptic number.

It is an amenable number.

5605474561 is a deficient number, since it is larger than the sum of its proper divisors (182063).

5605474561 is a wasteful number, since it uses less digits than its factorization.

5605474561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182062.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 5605474561 is about 74869.7172493659. The cubic root of 5605474561 is about 1776.3864917565.

The spelling of 5605474561 in words is "five billion, six hundred five million, four hundred seventy-four thousand, five hundred sixty-one".