6450273745443 has 144 divisors (see below), whose sum is σ = 11256087443328. Its totient is φ = 3675704313600.

The previous prime is 6450273745441. The next prime is 6450273745453. The reversal of 6450273745443 is 3445473720546.

6450273745443 is a `hidden beast` number, since 6 + 4 + 5 + 0 + 27 + 3 + 74 + 544 + 3 = 666.

It is not a de Polignac number, because 6450273745443 - 2¹ = 6450273745441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6450273745443.

It is not an unprimeable number, because it can be changed into a prime (6450273745441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 561326928 + ... + 561338418.

It is an arithmetic number, because the mean of its divisors is an integer number (78167273912).

Almost surely, 2^{6450273745443} is an apocalyptic number.

6450273745443 is a deficient number, since it is larger than the sum of its proper divisors (4805813697885).

6450273745443 is a wasteful number, since it uses less digits than its factorization.

6450273745443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668 (or 12645 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 54.

The spelling of 6450273745443 in words is "six trillion, four hundred fifty billion, two hundred seventy-three million, seven hundred forty-five thousand, four hundred forty-three".