4243720273424 has 10 divisors (see below), whose sum is σ = 8222208029790. Its totient is φ = 2121860136704.

The previous prime is 4243720273379. The next prime is 4243720273489.

4243720273424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2436308913424 + 1807411360000 = 1560868^2 + 1344400^2 .

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 as a sum of consecutive naturals, namely, 132616258529 + ... + 132616258560.

It is an arithmetic number, because the mean of its divisors is an integer number (822220802979).

Almost surely, 2^{4243720273424} is an apocalyptic number.

It is an amenable number.

4243720273424 is a deficient number, since it is larger than the sum of its proper divisors (3978487756366).

4243720273424 is a wasteful number, since it uses less digits than its factorization.

4243720273424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265232517097 (or 265232517091 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 44.

The spelling of 4243720273424 in words is "four trillion, two hundred forty-three billion, seven hundred twenty million, two hundred seventy-three thousand, four hundred twenty-four".