6442873753312 has 24 divisors (see below), whose sum is σ = 12684517866216. Its totient is φ = 3221408898432.

The previous prime is 6442873753271. The next prime is 6442873753387. The reversal of 6442873753312 is 2133573782446.

It is a happy number.

It is a super-2 number, since 2×6442873753312² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 3153178 + ... + 4777894.

It is an arithmetic number, because the mean of its divisors is an integer number (528521577759).

Almost surely, 2^{6442873753312} is an apocalyptic number.

It is an amenable number.

6442873753312 is a deficient number, since it is larger than the sum of its proper divisors (6241644112904).

6442873753312 is a wasteful number, since it uses less digits than its factorization.

6442873753312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748650 (or 1748642 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 55.

The spelling of 6442873753312 in words is "six trillion, four hundred forty-two billion, eight hundred seventy-three million, seven hundred fifty-three thousand, three hundred twelve".