533242430421 has 4 divisors (see below), whose sum is σ = 710989907232. Its totient is φ = 355494953612.

The previous prime is 533242430363. The next prime is 533242430443. The reversal of 533242430421 is 124034242335.

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 533242430421 - 2¹⁷ = 533242299349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533242430491) 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, 88873738401 + ... + 88873738406.

It is an arithmetic number, because the mean of its divisors is an integer number (177747476808).

Almost surely, 2^533242430421 is an apocalyptic number.

It is an amenable number.

533242430421 is a deficient number, since it is larger than the sum of its proper divisors (177747476811).

533242430421 is a wasteful number, since it uses less digits than its factorization.

533242430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177747476810.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 533242430421 its reverse (124034242335), we get a palindrome (657276672756).

The spelling of 533242430421 in words is "five hundred thirty-three billion, two hundred forty-two million, four hundred thirty thousand, four hundred twenty-one".