533434503421 has 4 divisors (see below), whose sum is σ = 533720222752. Its totient is φ = 533148784092.

The previous prime is 533434503397. The next prime is 533434503461. The reversal of 533434503421 is 124305434335.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124305434335 = 5 ⋅24861086867.

It is a cyclic number.

It is not a de Polignac number, because 533434503421 - 2⁵ = 533434503389 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 (533434503461) 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, 142856865 + ... + 142860598.

It is an arithmetic number, because the mean of its divisors is an integer number (133430055688).

Almost surely, 2^533434503421 is an apocalyptic number.

It is an amenable number.

533434503421 is a deficient number, since it is larger than the sum of its proper divisors (285719331).

533434503421 is a wasteful number, since it uses less digits than its factorization.

533434503421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285719330.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 533434503421 its reverse (124305434335), we get a palindrome (657739937756).

The spelling of 533434503421 in words is "five hundred thirty-three billion, four hundred thirty-four million, five hundred three thousand, four hundred twenty-one".