4233421340221 has 8 divisors (see below), whose sum is σ = 4264962022080. Its totient is φ = 4201979688192.

The previous prime is 4233421340207. The next prime is 4233421340233. The reversal of 4233421340221 is 1220431243324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4233421340221 - 2⁴¹ = 2034398084669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233421340201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24671641 + ... + 24842638.

It is an arithmetic number, because the mean of its divisors is an integer number (533120252760).

Almost surely, 2^{4233421340221} is an apocalyptic number.

It is an amenable number.

4233421340221 is a deficient number, since it is larger than the sum of its proper divisors (31540681859).

4233421340221 is a wasteful number, since it uses less digits than its factorization.

4233421340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49514915.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4233421340221 its reverse (1220431243324), we get a palindrome (5453852583545).

The spelling of 4233421340221 in words is "four trillion, two hundred thirty-three billion, four hundred twenty-one million, three hundred forty thousand, two hundred twenty-one".