421014303443 has 2 divisors, whose sum is σ = 421014303444. Its totient is φ = 421014303442.

The previous prime is 421014303389. The next prime is 421014303503. The reversal of 421014303443 is 344303410124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421014303443 - 2⁶ = 421014303379 is a prime.

It is not a weakly prime, because it can be changed into another prime (421014303643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210507151721 + 210507151722.

It is an arithmetic number, because the mean of its divisors is an integer number (210507151722).

Almost surely, 2^421014303443 is an apocalyptic number.

421014303443 is a deficient number, since it is larger than the sum of its proper divisors (1).

421014303443 is an equidigital number, since it uses as much as digits as its factorization.

421014303443 is an odious number, because the sum of its binary digits is odd.

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

Adding to 421014303443 its reverse (344303410124), we get a palindrome (765317713567).

The spelling of 421014303443 in words is "four hundred twenty-one billion, fourteen million, three hundred three thousand, four hundred forty-three".