613629609 has 8 divisors (see below), whose sum is σ = 818288832. Its totient is φ = 409028400.

The previous prime is 613629563. The next prime is 613629613. The reversal of 613629609 is 906926316.

613629609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 613629609 - 2⁷ = 613629481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (613629629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27852 + ... + 44754.

It is an arithmetic number, because the mean of its divisors is an integer number (102286104).

Almost surely, 2^613629609 is an apocalyptic number.

It is an amenable number.

613629609 is a deficient number, since it is larger than the sum of its proper divisors (204659223).

613629609 is a wasteful number, since it uses less digits than its factorization.

613629609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29007.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 613629609 is about 24771.5483771201. The cubic root of 613629609 is about 849.7713844226.

The spelling of 613629609 in words is "six hundred thirteen million, six hundred twenty-nine thousand, six hundred nine".