2421000343 has 2 divisors, whose sum is σ = 2421000344. Its totient is φ = 2421000342.

The previous prime is 2421000341. The next prime is 2421000371. The reversal of 2421000343 is 3430001242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421000343 - 2¹ = 2421000341 is a prime.

It is a super-2 number, since 2×2421000343² = 11722485321612235298, which contains 22 as substring.

Together with 2421000341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2421000343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421000341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210500171 + 1210500172.

It is an arithmetic number, because the mean of its divisors is an integer number (1210500172).

Almost surely, 2^2421000343 is an apocalyptic number.

2421000343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421000343 is an equidigital number, since it uses as much as digits as its factorization.

2421000343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2421000343 is about 49203.6618860832. The cubic root of 2421000343 is about 1342.7596545068.

Adding to 2421000343 its reverse (3430001242), we get a palindrome (5851001585).

The spelling of 2421000343 in words is "two billion, four hundred twenty-one million, three hundred forty-three", and thus it is an aban number.