613543163213 has 4 divisors (see below), whose sum is σ = 622184616288. Its totient is φ = 604901710140.

The previous prime is 613543163069. The next prime is 613543163221. The reversal of 613543163213 is 312361345316.

613543163213 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 a de Polignac number, because none of the positive numbers 2^k-613543163213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613543163273) 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, 4320726431 + ... + 4320726572.

It is an arithmetic number, because the mean of its divisors is an integer number (155546154072).

Almost surely, 2^613543163213 is an apocalyptic number.

It is an amenable number.

613543163213 is a deficient number, since it is larger than the sum of its proper divisors (8641453075).

613543163213 is an equidigital number, since it uses as much as digits as its factorization.

613543163213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641453074.

The product of its digits is 116640, while the sum is 38.

The spelling of 613543163213 in words is "six hundred thirteen billion, five hundred forty-three million, one hundred sixty-three thousand, two hundred thirteen".