6217828345 has 8 divisors (see below), whose sum is σ = 7470146376. Its totient is φ = 4968427776.

The previous prime is 6217828333. The next prime is 6217828361. The reversal of 6217828345 is 5438287126.

It can be written as a sum of positive squares in 4 ways, for example, as 1018120464 + 5199707881 = 31908^2 + 72109^2 .

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 6217828345 - 2¹³ = 6217820153 is a prime.

It is a super-2 number, since 2×6217828345² = 77322778655770878050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6217828295 and 6217828304.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 724672 + ... + 733201.

It is an arithmetic number, because the mean of its divisors is an integer number (933768297).

Almost surely, 2^6217828345 is an apocalyptic number.

It is an amenable number.

6217828345 is a deficient number, since it is larger than the sum of its proper divisors (1252318031).

6217828345 is a wasteful number, since it uses less digits than its factorization.

6217828345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458731.

The product of its digits is 645120, while the sum is 46.

The square root of 6217828345 is about 78853.2075758494. The cubic root of 6217828345 is about 1838.8497403735.

The spelling of 6217828345 in words is "six billion, two hundred seventeen million, eight hundred twenty-eight thousand, three hundred forty-five".