613653349 has 4 divisors (see below), whose sum is σ = 617081760. Its totient is φ = 610224940.

The previous prime is 613653347. The next prime is 613653367. The reversal of 613653349 is 943356316.

613653349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 613653349 - 2¹ = 613653347 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613653347) 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, 1713937 + ... + 1714294.

It is an arithmetic number, because the mean of its divisors is an integer number (154270440).

Almost surely, 2^613653349 is an apocalyptic number.

It is an amenable number.

613653349 is a deficient number, since it is larger than the sum of its proper divisors (3428411).

613653349 is a wasteful number, since it uses less digits than its factorization.

613653349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428410.

The product of its digits is 174960, while the sum is 40.

The square root of 613653349 is about 24772.0275512522. The cubic root of 613653349 is about 849.7823428858.

The spelling of 613653349 in words is "six hundred thirteen million, six hundred fifty-three thousand, three hundred forty-nine".