4021420044353 has 2 divisors, whose sum is σ = 4021420044354. Its totient is φ = 4021420044352.

The previous prime is 4021420044289. The next prime is 4021420044373. The reversal of 4021420044353 is 3534400241204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3256104763024 + 765315281329 = 1804468^2 + 874823^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021420044353 - 2⁶ = 4021420044289 is a prime.

It is a super-3 number, since 3×4021420044353³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4021420044373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010710022176 + 2010710022177.

It is an arithmetic number, because the mean of its divisors is an integer number (2010710022177).

Almost surely, 2^{4021420044353} is an apocalyptic number.

It is an amenable number.

4021420044353 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021420044353 is an equidigital number, since it uses as much as digits as its factorization.

4021420044353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 4021420044353 its reverse (3534400241204), we get a palindrome (7555820285557).

The spelling of 4021420044353 in words is "four trillion, twenty-one billion, four hundred twenty million, forty-four thousand, three hundred fifty-three".