4243221200403 has 6 divisors (see below), whose sum is σ = 6129097289484. Its totient is φ = 2828814133596.

The previous prime is 4243221200399. The next prime is 4243221200429. The reversal of 4243221200403 is 3040021223424.

4243221200403 is a `hidden beast` number, since 4 + 2 + 4 + 32 + 21 + 200 + 403 = 666.

It is not a de Polignac number, because 4243221200403 - 2² = 4243221200399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4243221200903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235734511125 + ... + 235734511142.

It is an arithmetic number, because the mean of its divisors is an integer number (1021516214914).

Almost surely, 2^{4243221200403} is an apocalyptic number.

4243221200403 is a deficient number, since it is larger than the sum of its proper divisors (1885876089081).

4243221200403 is a wasteful number, since it uses less digits than its factorization.

4243221200403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471469022273 (or 471469022270 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4243221200403 its reverse (3040021223424), we get a palindrome (7283242423827).

The spelling of 4243221200403 in words is "four trillion, two hundred forty-three billion, two hundred twenty-one million, two hundred thousand, four hundred three".