6216420063 has 16 divisors (see below), whose sum is σ = 9614024960. Its totient is φ = 3499220736.

The previous prime is 6216420037. The next prime is 6216420083. The reversal of 6216420063 is 3600246126.

It is not a de Polignac number, because 6216420063 - 2⁶ = 6216419999 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 6216420063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216420083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207698 + ... + 2210511.

It is an arithmetic number, because the mean of its divisors is an integer number (600876560).

Almost surely, 2^6216420063 is an apocalyptic number.

6216420063 is a deficient number, since it is larger than the sum of its proper divisors (3397604897).

6216420063 is a wasteful number, since it uses less digits than its factorization.

6216420063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418286.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6216420063 is about 78844.2773002581. The cubic root of 6216420063 is about 1838.7109022680.

Adding to 6216420063 its reverse (3600246126), we get a palindrome (9816666189).

The spelling of 6216420063 in words is "six billion, two hundred sixteen million, four hundred twenty thousand, sixty-three".