6220421783 has 8 divisors (see below), whose sum is σ = 6493109856. Its totient is φ = 5947920000.

The previous prime is 6220421749. The next prime is 6220421789. The reversal of 6220421783 is 3871240226.

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 6220421783 - 2⁶ = 6220421719 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 (6220421789) 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, 23963 + ... + 114083.

It is an arithmetic number, because the mean of its divisors is an integer number (811638732).

Almost surely, 2^6220421783 is an apocalyptic number.

6220421783 is a deficient number, since it is larger than the sum of its proper divisors (272688073).

6220421783 is a wasteful number, since it uses less digits than its factorization.

6220421783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93145.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 6220421783 is about 78869.6505824642. The cubic root of 6220421783 is about 1839.1053644512.

The spelling of 6220421783 in words is "six billion, two hundred twenty million, four hundred twenty-one thousand, seven hundred eighty-three".