430421215421 has 8 divisors (see below), whose sum is σ = 431968152000. Its totient is φ = 428875220448.

The previous prime is 430421215373. The next prime is 430421215463. The reversal of 430421215421 is 124512124034.

It is a happy number.

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 430421215421 - 2¹⁰ = 430421214397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430421215481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686945 + ... + 1154441.

It is an arithmetic number, because the mean of its divisors is an integer number (53996019000).

Almost surely, 2^430421215421 is an apocalyptic number.

It is an amenable number.

430421215421 is a deficient number, since it is larger than the sum of its proper divisors (1546936579).

430421215421 is a wasteful number, since it uses less digits than its factorization.

430421215421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470803.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 430421215421 its reverse (124512124034), we get a palindrome (554933339455).

The spelling of 430421215421 in words is "four hundred thirty billion, four hundred twenty-one million, two hundred fifteen thousand, four hundred twenty-one".