6464422244646 has 32 divisors (see below), whose sum is σ = 15210405283680. Its totient is φ = 2028054037248.

The previous prime is 6464422244627. The next prime is 6464422244653.

6464422244646 is a `hidden beast` number, since 64 + 64 + 42 + 2 + 2 + 446 + 46 = 666.

6464422244646 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6464422244592 and 6464422244601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520926231 + ... + 3520928066.

It is an arithmetic number, because the mean of its divisors is an integer number (475325165115).

Almost surely, 2^{6464422244646} is an apocalyptic number.

6464422244646 is an abundant number, since it is smaller than the sum of its proper divisors (8745983039034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6464422244646 is a wasteful number, since it uses less digits than its factorization.

6464422244646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041854325 (or 7041854319 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 54.

The spelling of 6464422244646 in words is "six trillion, four hundred sixty-four billion, four hundred twenty-two million, two hundred forty-four thousand, six hundred forty-six".