6216220613 has 8 divisors (see below), whose sum is σ = 6353418240. Its totient is φ = 6080402160.

The previous prime is 6216220609. The next prime is 6216220651. The reversal of 6216220613 is 3160226126.

6216220613 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 6216220613 - 2² = 6216220609 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 (6216220013) 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, 335678 + ... + 353711.

It is an arithmetic number, because the mean of its divisors is an integer number (794177280).

Almost surely, 2^6216220613 is an apocalyptic number.

It is an amenable number.

6216220613 is a deficient number, since it is larger than the sum of its proper divisors (137197627).

6216220613 is a wasteful number, since it uses less digits than its factorization.

6216220613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689587.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6216220613 is about 78843.0124551314. The cubic root of 6216220613 is about 1838.6912374229.

Adding to 6216220613 its reverse (3160226126), we get a palindrome (9376446739).

The spelling of 6216220613 in words is "six billion, two hundred sixteen million, two hundred twenty thousand, six hundred thirteen".