6464660444422 has 8 divisors (see below), whose sum is σ = 9813821879736. Its totient is φ = 3193386484512.

The previous prime is 6464660444399. The next prime is 6464660444449. The reversal of 6464660444422 is 2244440664646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6464660444422.

It is a congruent number.

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, 19471868643 + ... + 19471868974.

It is an arithmetic number, because the mean of its divisors is an integer number (1226727734967).

Almost surely, 2^{6464660444422} is an apocalyptic number.

6464660444422 is a deficient number, since it is larger than the sum of its proper divisors (3349161435314).

6464660444422 is a wasteful number, since it uses less digits than its factorization.

6464660444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38943737702.

The product of its (nonzero) digits is 21233664, while the sum is 52.

The spelling of 6464660444422 in words is "six trillion, four hundred sixty-four billion, six hundred sixty million, four hundred forty-four thousand, four hundred twenty-two".