6422401612621 has 8 divisors (see below), whose sum is σ = 6440102830304. Its totient is φ = 6404722961040.

The previous prime is 6422401612619. The next prime is 6422401612657. The reversal of 6422401612621 is 1262161042246.

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 6422401612621 - 2¹ = 6422401612619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422401612021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071455 + ... + 6210028.

It is an arithmetic number, because the mean of its divisors is an integer number (805012853788).

Almost surely, 2^{6422401612621} is an apocalyptic number.

It is an amenable number.

6422401612621 is a deficient number, since it is larger than the sum of its proper divisors (17701217683).

6422401612621 is a wasteful number, since it uses less digits than its factorization.

6422401612621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283051.

The product of its (nonzero) digits is 55296, while the sum is 37.

Adding to 6422401612621 its reverse (1262161042246), we get a palindrome (7684562654867).

The spelling of 6422401612621 in words is "six trillion, four hundred twenty-two billion, four hundred one million, six hundred twelve thousand, six hundred twenty-one".