6422776601728 has 32 divisors (see below), whose sum is σ = 13236595105500. Its totient is φ = 3100650771456.

The previous prime is 6422776601719. The next prime is 6422776601807. The reversal of 6422776601728 is 8271066772246.

It can be written as a sum of positive squares in 2 ways, for example, as 6179838021184 + 242938580544 = 2485928^2 + 492888^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865133223 + ... + 865140646.

Almost surely, 2^{6422776601728} is an apocalyptic number.

It is an amenable number.

6422776601728 is an abundant number, since it is smaller than the sum of its proper divisors (6813818503772).

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

6422776601728 is a wasteful number, since it uses less digits than its factorization.

6422776601728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730273912 (or 1730273900 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 6422776601728 in words is "six trillion, four hundred twenty-two billion, seven hundred seventy-six million, six hundred one thousand, seven hundred twenty-eight".