6221605830764 has 6 divisors (see below), whose sum is σ = 10887810203844. Its totient is φ = 3110802915380.

The previous prime is 6221605830733. The next prime is 6221605830779. The reversal of 6221605830764 is 4670385061226.

It is a happy number.

It is a super-2 number, since 2×6221605830764² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 777700728842 + ... + 777700728849.

It is an arithmetic number, because the mean of its divisors is an integer number (1814635033974).

Almost surely, 2^{6221605830764} is an apocalyptic number.

It is an amenable number.

6221605830764 is a deficient number, since it is larger than the sum of its proper divisors (4666204373080).

6221605830764 is a wasteful number, since it uses less digits than its factorization.

6221605830764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555401457695 (or 1555401457693 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 6221605830764 in words is "six trillion, two hundred twenty-one billion, six hundred five million, eight hundred thirty thousand, seven hundred sixty-four".