421434334241 has 4 divisors (see below), whose sum is σ = 431713220484. Its totient is φ = 411155448000.

The previous prime is 421434334169. The next prime is 421434334283. The reversal of 421434334241 is 142433434124.

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 40586131600 + 380848202641 = 201460^2 + 617129^2 .

It is a cyclic number.

It is not a de Polignac number, because 421434334241 - 2²² = 421430139937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421434337241) 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, 5139443060 + ... + 5139443141.

It is an arithmetic number, because the mean of its divisors is an integer number (107928305121).

Almost surely, 2^421434334241 is an apocalyptic number.

421434334241 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

421434334241 is a deficient number, since it is larger than the sum of its proper divisors (10278886243).

421434334241 is a wasteful number, since it uses less digits than its factorization.

421434334241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278886242.

The product of its digits is 110592, while the sum is 35.

Adding to 421434334241 its reverse (142433434124), we get a palindrome (563867768365).

The spelling of 421434334241 in words is "four hundred twenty-one billion, four hundred thirty-four million, three hundred thirty-four thousand, two hundred forty-one".