6221791135 has 8 divisors (see below), whose sum is σ = 8532742176. Its totient is φ = 4266371040.

The previous prime is 6221791127. The next prime is 6221791141. The reversal of 6221791135 is 5311971226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6221791135 - 2³ = 6221791127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6221791094 and 6221791103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88882696 + ... + 88882765.

It is an arithmetic number, because the mean of its divisors is an integer number (1066592772).

Almost surely, 2^6221791135 is an apocalyptic number.

6221791135 is a deficient number, since it is larger than the sum of its proper divisors (2310951041).

6221791135 is a wasteful number, since it uses less digits than its factorization.

6221791135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177765473.

The product of its digits is 22680, while the sum is 37.

The square root of 6221791135 is about 78878.3312133313. The cubic root of 6221791135 is about 1839.2403069531.

The spelling of 6221791135 in words is "six billion, two hundred twenty-one million, seven hundred ninety-one thousand, one hundred thirty-five".