6218880047 has 4 divisors (see below), whose sum is σ = 6489266160. Its totient is φ = 5948493936.

The previous prime is 6218879981. The next prime is 6218880121. The reversal of 6218880047 is 7400888126.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6218880047 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 (6208880047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135193022 + ... + 135193067.

It is an arithmetic number, because the mean of its divisors is an integer number (1622316540).

Almost surely, 2^6218880047 is an apocalyptic number.

6218880047 is a deficient number, since it is larger than the sum of its proper divisors (270386113).

6218880047 is a wasteful number, since it uses less digits than its factorization.

6218880047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270386112.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 6218880047 is about 78859.8760270393. The cubic root of 6218880047 is about 1838.9534107021.

The spelling of 6218880047 in words is "six billion, two hundred eighteen million, eight hundred eighty thousand, forty-seven".