609451706 has 8 divisors (see below), whose sum is σ = 920000820. Its totient is φ = 302784768.

The previous prime is 609451699. The next prime is 609451709. The reversal of 609451706 is 607154906.

It can be written as a sum of positive squares in 2 ways, for example, as 497959225 + 111492481 = 22315^2 + 10559^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 609451706.

It is not an unprimeable number, because it can be changed into a prime (609451709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970151 + ... + 970778.

Almost surely, 2^609451706 is an apocalyptic number.

609451706 is a deficient number, since it is larger than the sum of its proper divisors (310549114).

609451706 is a wasteful number, since it uses less digits than its factorization.

609451706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941088.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 609451706 is about 24687.0756874928. The cubic root of 609451706 is about 847.8384320836.

The spelling of 609451706 in words is "six hundred nine million, four hundred fifty-one thousand, seven hundred six".