565930849 has 4 divisors (see below), whose sum is σ = 617379120. Its totient is φ = 514482580.

The previous prime is 565930837. The next prime is 565930877. The reversal of 565930849 is 948039565.

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 565930849 - 2⁷ = 565930721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565930819) 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, 25724119 + ... + 25724140.

It is an arithmetic number, because the mean of its divisors is an integer number (154344780).

Almost surely, 2^565930849 is an apocalyptic number.

It is an amenable number.

565930849 is a deficient number, since it is larger than the sum of its proper divisors (51448271).

565930849 is a wasteful number, since it uses less digits than its factorization.

565930849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51448270.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 565930849 is about 23789.3011456831. The cubic root of 565930849 is about 827.1566951537.

The spelling of 565930849 in words is "five hundred sixty-five million, nine hundred thirty thousand, eight hundred forty-nine".