430324421021 has 16 divisors (see below), whose sum is σ = 473650486848. Its totient is φ = 387700051200.

The previous prime is 430324421017. The next prime is 430324421039. The reversal of 430324421021 is 120124423034.

It is not a de Polignac number, because 430324421021 - 2² = 430324421017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430324421621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20470406 + ... + 20491416.

It is an arithmetic number, because the mean of its divisors is an integer number (29603155428).

Almost surely, 2^430324421021 is an apocalyptic number.

It is an amenable number.

430324421021 is a deficient number, since it is larger than the sum of its proper divisors (43326065827).

430324421021 is a wasteful number, since it uses less digits than its factorization.

430324421021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37612.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 430324421021 its reverse (120124423034), we get a palindrome (550448844055).

The spelling of 430324421021 in words is "four hundred thirty billion, three hundred twenty-four million, four hundred twenty-one thousand, twenty-one".