421344031433 has 8 divisors (see below), whose sum is σ = 453823571208. Its totient is φ = 388874271744.

The previous prime is 421344031417. The next prime is 421344031447. The reversal of 421344031433 is 334130443124.

It can be written as a sum of positive squares in 4 ways, for example, as 17880236089 + 403463795344 = 133717^2 + 635188^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421344031433 - 2⁴ = 421344031417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421344031433.

It is not an unprimeable number, because it can be changed into a prime (421344031463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355416 + ... + 2527977.

It is an arithmetic number, because the mean of its divisors is an integer number (56727946401).

Almost surely, 2^421344031433 is an apocalyptic number.

It is an amenable number.

421344031433 is a deficient number, since it is larger than the sum of its proper divisors (32479539775).

421344031433 is a wasteful number, since it uses less digits than its factorization.

421344031433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890043.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 421344031433 its reverse (334130443124), we get a palindrome (755474474557).

The spelling of 421344031433 in words is "four hundred twenty-one billion, three hundred forty-four million, thirty-one thousand, four hundred thirty-three".