424250521321 has 8 divisors (see below), whose sum is σ = 469158734304. Its totient is φ = 380398972320.

The previous prime is 424250521243. The next prime is 424250521361. The reversal of 424250521321 is 123125052424.

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 424250521321 - 2⁹ = 424250520809 is a prime.

It is a super-2 number, since 2×424250521321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424250521361) 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, 264165151 + ... + 264166756.

It is an arithmetic number, because the mean of its divisors is an integer number (58644841788).

Almost surely, 2^424250521321 is an apocalyptic number.

It is an amenable number.

424250521321 is a deficient number, since it is larger than the sum of its proper divisors (44908212983).

424250521321 is a wasteful number, since it uses less digits than its factorization.

424250521321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528331991.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 424250521321 its reverse (123125052424), we get a palindrome (547375573745).

The spelling of 424250521321 in words is "four hundred twenty-four billion, two hundred fifty million, five hundred twenty-one thousand, three hundred twenty-one".