4330143202421 has 2 divisors, whose sum is σ = 4330143202422. Its totient is φ = 4330143202420.

The previous prime is 4330143202381. The next prime is 4330143202433. The reversal of 4330143202421 is 1242023410334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4152995652100 + 177147550321 = 2037890^2 + 420889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4330143202421 is a prime.

It is a super-2 number, since 2×4330143202421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4330043202421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2165071601210 + 2165071601211.

It is an arithmetic number, because the mean of its divisors is an integer number (2165071601211).

Almost surely, 2^{4330143202421} is an apocalyptic number.

It is an amenable number.

4330143202421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4330143202421 is an equidigital number, since it uses as much as digits as its factorization.

4330143202421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4330143202421 its reverse (1242023410334), we get a palindrome (5572166612755).

The spelling of 4330143202421 in words is "four trillion, three hundred thirty billion, one hundred forty-three million, two hundred two thousand, four hundred twenty-one".