563473909 has 4 divisors (see below), whose sum is σ = 564415200. Its totient is φ = 562532620.

The previous prime is 563473907. The next prime is 563473913. The reversal of 563473909 is 909374365.

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 563473909 - 2¹ = 563473907 is a prime.

It is a super-2 number, since 2×563473909² = 635005692247480562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563473901) 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, 469747 + ... + 470944.

It is an arithmetic number, because the mean of its divisors is an integer number (141103800).

Almost surely, 2^563473909 is an apocalyptic number.

It is an amenable number.

563473909 is a deficient number, since it is larger than the sum of its proper divisors (941291).

563473909 is an equidigital number, since it uses as much as digits as its factorization.

563473909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941290.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 563473909 is about 23737.6053762801. The cubic root of 563473909 is about 825.9579488937.

The spelling of 563473909 in words is "five hundred sixty-three million, four hundred seventy-three thousand, nine hundred nine".