421241224441 has 4 divisors (see below), whose sum is σ = 421315693812. Its totient is φ = 421166755072.

The previous prime is 421241224381. The next prime is 421241224451. The reversal of 421241224441 is 144422142124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261704888041 + 159536336400 = 511571^2 + 399420^2 .

It is a cyclic number.

It is not a de Polignac number, because 421241224441 - 2¹¹ = 421241222393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421241224451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37226200 + ... + 37237513.

It is an arithmetic number, because the mean of its divisors is an integer number (105328923453).

Almost surely, 2^421241224441 is an apocalyptic number.

It is an amenable number.

421241224441 is a deficient number, since it is larger than the sum of its proper divisors (74469371).

421241224441 is an equidigital number, since it uses as much as digits as its factorization.

421241224441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74469370.

The product of its digits is 16384, while the sum is 31.

Adding to 421241224441 its reverse (144422142124), we get a palindrome (565663366565).

The spelling of 421241224441 in words is "four hundred twenty-one billion, two hundred forty-one million, two hundred twenty-four thousand, four hundred forty-one".