613504329 has 8 divisors (see below), whose sum is σ = 818175072. Its totient is φ = 408918240.

The previous prime is 613504303. The next prime is 613504373. The reversal of 613504329 is 923405316.

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

It is not a de Polignac number, because 613504329 - 2⁷ = 613504201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 613504329.

It is not an unprimeable number, because it can be changed into a prime (613504399) 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, 1692 + ... + 35069.

It is an arithmetic number, because the mean of its divisors is an integer number (102271884).

Almost surely, 2^613504329 is an apocalyptic number.

It is an amenable number.

613504329 is a deficient number, since it is larger than the sum of its proper divisors (204670743).

613504329 is a wasteful number, since it uses less digits than its factorization.

613504329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42327.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 613504329 is about 24769.0195405470. The cubic root of 613504329 is about 849.7135500747.

The spelling of 613504329 in words is "six hundred thirteen million, five hundred four thousand, three hundred twenty-nine".