2421201443 has 2 divisors, whose sum is σ = 2421201444. Its totient is φ = 2421201442.

The previous prime is 2421201427. The next prime is 2421201487. The reversal of 2421201443 is 3441021242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421201443 - 2⁴ = 2421201427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421201143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210600721 + 1210600722.

It is an arithmetic number, because the mean of its divisors is an integer number (1210600722).

Almost surely, 2^2421201443 is an apocalyptic number.

2421201443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421201443 is an equidigital number, since it uses as much as digits as its factorization.

2421201443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2421201443 is about 49205.7053907370. The cubic root of 2421201443 is about 1342.7968321816.

Adding to 2421201443 its reverse (3441021242), we get a palindrome (5862222685).

The spelling of 2421201443 in words is "two billion, four hundred twenty-one million, two hundred one thousand, four hundred forty-three".