4421414543893 has 2 divisors, whose sum is σ = 4421414543894. Its totient is φ = 4421414543892.

The previous prime is 4421414543867. The next prime is 4421414543899. The reversal of 4421414543893 is 3983454141244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2360300650929 + 2061113892964 = 1536327^2 + 1435658^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421414543893 - 2²¹ = 4421412446741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4421414543893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421414543899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210707271946 + 2210707271947.

It is an arithmetic number, because the mean of its divisors is an integer number (2210707271947).

Almost surely, 2^{4421414543893} is an apocalyptic number.

It is an amenable number.

4421414543893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421414543893 is an equidigital number, since it uses as much as digits as its factorization.

4421414543893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 52.

The spelling of 4421414543893 in words is "four trillion, four hundred twenty-one billion, four hundred fourteen million, five hundred forty-three thousand, eight hundred ninety-three".