609490563 has 8 divisors (see below), whose sum is σ = 886531776. Its totient is φ = 369388200.

The previous prime is 609490561. The next prime is 609490571. The reversal of 609490563 is 365094906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 609490563 - 2¹ = 609490561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (609490561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9234673 + ... + 9234738.

It is an arithmetic number, because the mean of its divisors is an integer number (110816472).

Almost surely, 2^609490563 is an apocalyptic number.

609490563 is a deficient number, since it is larger than the sum of its proper divisors (277041213).

609490563 is a wasteful number, since it uses less digits than its factorization.

609490563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18469425.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 609490563 is about 24687.8626656906. The cubic root of 609490563 is about 847.8564503326.

The spelling of 609490563 in words is "six hundred nine million, four hundred ninety thousand, five hundred sixty-three".