424134322432321 has 4 divisors (see below), whose sum is σ = 426736373490352. Its totient is φ = 421532271374292.

The previous prime is 424134322432319. The next prime is 424134322432439. The reversal of 424134322432321 is 123234223431424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424134322432321 - 2¹ = 424134322432319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424134322432021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301025528771 + ... + 1301025529096.

It is an arithmetic number, because the mean of its divisors is an integer number (106684093372588).

Almost surely, 2^{424134322432321} is an apocalyptic number.

It is an amenable number.

424134322432321 is a deficient number, since it is larger than the sum of its proper divisors (2602051058031).

424134322432321 is a wasteful number, since it uses less digits than its factorization.

424134322432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602051058030.

The product of its digits is 663552, while the sum is 40.

Adding to 424134322432321 its reverse (123234223431424), we get a palindrome (547368545863745).

The spelling of 424134322432321 in words is "four hundred twenty-four trillion, one hundred thirty-four billion, three hundred twenty-two million, four hundred thirty-two thousand, three hundred twenty-one".