613594922329 has 3 divisors (see below), whose sum is σ = 613595705653. Its totient is φ = 613594139006.

The previous prime is 613594922309. The next prime is 613594922443. The reversal of 613594922329 is 923229495316.

The square root of 613594922329 is 783323.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-613594922329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 613594922329.

It is not an unprimeable number, because it can be changed into a prime (613594922309) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 391662 + ... + 1174984.

Almost surely, 2^613594922329 is an apocalyptic number.

613594922329 is the 783323-rd square number.

613594922329 is the 391662-nd centered octagonal number.

It is an amenable number.

613594922329 is a deficient number, since it is larger than the sum of its proper divisors (783324).

613594922329 is an frugal number, since it uses more digits than its factorization.

613594922329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566646 (or 783323 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 55.

The spelling of 613594922329 in words is "six hundred thirteen billion, five hundred ninety-four million, nine hundred twenty-two thousand, three hundred twenty-nine".