421241143241 has 4 divisors (see below), whose sum is σ = 422340989952. Its totient is φ = 420141296532.

The previous prime is 421241143229. The next prime is 421241143249. The reversal of 421241143241 is 142341142124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421241143241 - 2¹⁸ = 421240881097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421241143249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549922781 + ... + 549923546.

It is an arithmetic number, because the mean of its divisors is an integer number (105585247488).

Almost surely, 2^421241143241 is an apocalyptic number.

It is an amenable number.

421241143241 is a deficient number, since it is larger than the sum of its proper divisors (1099846711).

421241143241 is a wasteful number, since it uses less digits than its factorization.

421241143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099846710.

The product of its digits is 6144, while the sum is 29.

Adding to 421241143241 its reverse (142341142124), we get a palindrome (563582285365).

The spelling of 421241143241 in words is "four hundred twenty-one billion, two hundred forty-one million, one hundred forty-three thousand, two hundred forty-one".