6221211001744 has 20 divisors (see below), whose sum is σ = 12092106217996. Its totient is φ = 3100667461632.

The previous prime is 6221211001699. The next prime is 6221211001801. The reversal of 6221211001744 is 4471001121226.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25094361744 + 6196116640000 = 158412^2 + 2489200^2 .

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 3 ways as a sum of consecutive naturals, for example, 621122289 + ... + 621132304.

Almost surely, 2^{6221211001744} is an apocalyptic number.

It is an amenable number.

6221211001744 is a deficient number, since it is larger than the sum of its proper divisors (5870895216252).

6221211001744 is a wasteful number, since it uses less digits than its factorization.

6221211001744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242254914 (or 1242254908 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 6221211001744 in words is "six trillion, two hundred twenty-one billion, two hundred eleven million, one thousand, seven hundred forty-four".