421441023241 has 6 divisors (see below), whose sum is σ = 490247720970. Its totient is φ = 361235162736.

The previous prime is 421441023239. The next prime is 421441023257. The reversal of 421441023241 is 142320144124.

It can be written as a sum of positive squares in only one way, i.e., 375559383241 + 45881640000 = 612829^2 + 214200^2 .

It is not a de Polignac number, because 421441023241 - 2¹ = 421441023239 is a prime.

It is a super-2 number, since 2×421441023241² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421441023841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4300418556 + ... + 4300418653.

It is an arithmetic number, because the mean of its divisors is an integer number (81707953495).

Almost surely, 2^421441023241 is an apocalyptic number.

It is an amenable number.

421441023241 is a deficient number, since it is larger than the sum of its proper divisors (68806697729).

421441023241 is an equidigital number, since it uses as much as digits as its factorization.

421441023241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600837223 (or 8600837216 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 421441023241 its reverse (142320144124), we get a palindrome (563761167365).

The spelling of 421441023241 in words is "four hundred twenty-one billion, four hundred forty-one million, twenty-three thousand, two hundred forty-one".