4271802783556 has 81 divisors (see below), whose sum is σ = 9559312295421. Its totient is φ = 1664214736800.

The previous prime is 4271802783551. The next prime is 4271802783557. The reversal of 4271802783556 is 6553872081724.

The square root of 4271802783556 is 2066834.

It is a perfect power (a square), and thus also a powerful number.

4271802783556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4025905809156 + 245896974400 = 2006466^2 + 495880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4271802783556.

It is not an unprimeable number, because it can be changed into a prime (4271802783551) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 318285726 + ... + 318299146.

Almost surely, 2^{4271802783556} is an apocalyptic number.

4271802783556 is the 2066834-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4271802783556

4271802783556 is an abundant number, since it is smaller than the sum of its proper divisors (5287509511865).

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

4271802783556 is an equidigital number, since it uses as much as digits as its factorization.

4271802783556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26882 (or 13441 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 4271802783556 in words is "four trillion, two hundred seventy-one billion, eight hundred two million, seven hundred eighty-three thousand, five hundred fifty-six".