609418473 has 4 divisors (see below), whose sum is σ = 812557968. Its totient is φ = 406278980.

The previous prime is 609418471. The next prime is 609418507. The reversal of 609418473 is 374814906.

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 609418473 - 2¹ = 609418471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (609418471) 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, 101569743 + ... + 101569748.

It is an arithmetic number, because the mean of its divisors is an integer number (203139492).

Almost surely, 2^609418473 is an apocalyptic number.

It is an amenable number.

609418473 is a deficient number, since it is larger than the sum of its proper divisors (203139495).

609418473 is a wasteful number, since it uses less digits than its factorization.

609418473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203139494.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 609418473 is about 24686.4025933306. The cubic root of 609418473 is about 847.8230211131.

The spelling of 609418473 in words is "six hundred nine million, four hundred eighteen thousand, four hundred seventy-three".