4143302421 has 4 divisors (see below), whose sum is σ = 5524403232. Its totient is φ = 2762201612.

The previous prime is 4143302369. The next prime is 4143302459. The reversal of 4143302421 is 1242033414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4143302421 - 2⁶ = 4143302357 is a prime.

It is a super-2 number, since 2×4143302421² = 34333909903728922482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4143302391 and 4143302400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143302321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690550401 + ... + 690550406.

It is an arithmetic number, because the mean of its divisors is an integer number (1381100808).

Almost surely, 2^4143302421 is an apocalyptic number.

It is an amenable number.

4143302421 is a deficient number, since it is larger than the sum of its proper divisors (1381100811).

4143302421 is a wasteful number, since it uses less digits than its factorization.

4143302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381100810.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4143302421 is about 64368.4893484382. The cubic root of 4143302421 is about 1606.1356107510.

Adding to 4143302421 its reverse (1242033414), we get a palindrome (5385335835).

The spelling of 4143302421 in words is "four billion, one hundred forty-three million, three hundred two thousand, four hundred twenty-one".