2434143221 has 2 divisors, whose sum is σ = 2434143222. Its totient is φ = 2434143220.

The previous prime is 2434143211. The next prime is 2434143223. The reversal of 2434143221 is 1223414342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990408996 + 443734225 = 44614^2 + 21065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2434143221 - 2¹⁴ = 2434126837 is a prime.

It is a Sophie Germain prime.

Together with 2434143223, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2434143223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1217071610 + 1217071611.

It is an arithmetic number, because the mean of its divisors is an integer number (1217071611).

Almost surely, 2^2434143221 is an apocalyptic number.

It is an amenable number.

2434143221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2434143221 is an equidigital number, since it uses as much as digits as its factorization.

2434143221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 2434143221 is about 49337.0370107488. The cubic root of 2434143221 is about 1345.1850827144.

Adding to 2434143221 its reverse (1223414342), we get a palindrome (3657557563).

The spelling of 2434143221 in words is "two billion, four hundred thirty-four million, one hundred forty-three thousand, two hundred twenty-one".