6484222642646 has 16 divisors (see below), whose sum is σ = 11117863914144. Its totient is φ = 2778439143744.

The previous prime is 6484222642637. The next prime is 6484222642649. The reversal of 6484222642646 is 6462462224846.

It is a junction number, because it is equal to n+sod(n) for n = 6484222642591 and 6484222642600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6484222642649) 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, 42706295 + ... + 42857858.

It is an arithmetic number, because the mean of its divisors is an integer number (694866494634).

Almost surely, 2^{6484222642646} is an apocalyptic number.

6484222642646 is a deficient number, since it is larger than the sum of its proper divisors (4633641271498).

6484222642646 is a wasteful number, since it uses less digits than its factorization.

6484222642646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85569575.

The product of its digits is 42467328, while the sum is 56.

The spelling of 6484222642646 in words is "six trillion, four hundred eighty-four billion, two hundred twenty-two million, six hundred forty-two thousand, six hundred forty-six".