430224535421 has 4 divisors (see below), whose sum is σ = 455531861052. Its totient is φ = 404917209792.

The previous prime is 430224535369. The next prime is 430224535469. The reversal of 430224535421 is 124535422034.

It is a happy number.

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 115487827225 + 314736708196 = 339835^2 + 561014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430224535421 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 (430224505421) 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, 12653662790 + ... + 12653662823.

It is an arithmetic number, because the mean of its divisors is an integer number (113882965263).

Almost surely, 2^430224535421 is an apocalyptic number.

It is an amenable number.

430224535421 is a deficient number, since it is larger than the sum of its proper divisors (25307325631).

430224535421 is a wasteful number, since it uses less digits than its factorization.

430224535421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25307325630.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 430224535421 its reverse (124535422034), we get a palindrome (554759957455).

The spelling of 430224535421 in words is "four hundred thirty billion, two hundred twenty-four million, five hundred thirty-five thousand, four hundred twenty-one".