4243210310421 has 16 divisors (see below), whose sum is σ = 6389290573120. Its totient is φ = 2782432989360.

The previous prime is 4243210310411. The next prime is 4243210310467. The reversal of 4243210310421 is 1240130123424.

4243210310421 is a `hidden beast` number, since 4 + 2 + 4 + 321 + 0 + 310 + 4 + 21 = 666.

It is not a de Polignac number, because 4243210310421 - 2⁵ = 4243210310389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243210310411) 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 15 ways as a sum of consecutive naturals, for example, 1288161775 + ... + 1288165068.

It is an arithmetic number, because the mean of its divisors is an integer number (399330660820).

Almost surely, 2^{4243210310421} is an apocalyptic number.

It is an amenable number.

4243210310421 is a deficient number, since it is larger than the sum of its proper divisors (2146080262699).

4243210310421 is a wasteful number, since it uses less digits than its factorization.

4243210310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576326913 (or 2576326907 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4243210310421 its reverse (1240130123424), we get a palindrome (5483340433845).

The spelling of 4243210310421 in words is "four trillion, two hundred forty-three billion, two hundred ten million, three hundred ten thousand, four hundred twenty-one".