6221394662401 has 8 divisors (see below), whose sum is σ = 6223754733920. Its totient is φ = 6219035027712.

The previous prime is 6221394662387. The next prime is 6221394662437. The reversal of 6221394662401 is 1042664931226.

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 6221394662401 - 2⁴¹ = 4022371406849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6221394662201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29926945 + ... + 30134113.

It is an arithmetic number, because the mean of its divisors is an integer number (777969341740).

Almost surely, 2^{6221394662401} is an apocalyptic number.

It is an amenable number.

6221394662401 is a deficient number, since it is larger than the sum of its proper divisors (2360071519).

6221394662401 is a wasteful number, since it uses less digits than its factorization.

6221394662401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218415.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 6221394662401 in words is "six trillion, two hundred twenty-one billion, three hundred ninety-four million, six hundred sixty-two thousand, four hundred one".