6220636859 has 4 divisors (see below), whose sum is σ = 6226360704. Its totient is φ = 6214913016.

The previous prime is 6220636783. The next prime is 6220636861. The reversal of 6220636859 is 9586360226.

6220636859 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 9586360226 = 2 ⋅4793180113.

It is a cyclic number.

It is not a de Polignac number, because 6220636859 - 2²⁰ = 6219588283 is a prime.

It is a super-3 number, since 3×6220636859³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6220636759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2860292 + ... + 2862465.

It is an arithmetic number, because the mean of its divisors is an integer number (1556590176).

Almost surely, 2^6220636859 is an apocalyptic number.

6220636859 is a deficient number, since it is larger than the sum of its proper divisors (5723845).

6220636859 is a wasteful number, since it uses less digits than its factorization.

6220636859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723844.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 6220636859 is about 78871.0140609337. The cubic root of 6220636859 is about 1839.1265603808.

The spelling of 6220636859 in words is "six billion, two hundred twenty million, six hundred thirty-six thousand, eight hundred fifty-nine".