421443220314411 has 12 divisors (see below), whose sum is σ = 631297663351992. Its totient is φ = 280962146876112.

The previous prime is 421443220314373. The next prime is 421443220314437. The reversal of 421443220314411 is 114413022344124.

421443220314411 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 4 + 3 + 2 + 203 + 1 + 441 + 1 = 666.

It is not a de Polignac number, because 421443220314411 - 2¹⁰ = 421443220313387 is a prime.

It is a super-2 number, since 2×421443220314411² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421443220313411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867167119746 + ... + 867167120231.

It is an arithmetic number, because the mean of its divisors is an integer number (52608138612666).

Almost surely, 2^{421443220314411} is an apocalyptic number.

421443220314411 is a deficient number, since it is larger than the sum of its proper divisors (209854443037581).

421443220314411 is an equidigital number, since it uses as much as digits as its factorization.

421443220314411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734334239992 (or 1734334239980 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 421443220314411 its reverse (114413022344124), we get a palindrome (535856242658535).

The spelling of 421443220314411 in words is "four hundred twenty-one trillion, four hundred forty-three billion, two hundred twenty million, three hundred fourteen thousand, four hundred eleven".