533234121421 has 16 divisors (see below), whose sum is σ = 586386339840. Its totient is φ = 482983302960.

The previous prime is 533234121379. The next prime is 533234121437. The reversal of 533234121421 is 124121432335.

It is not a de Polignac number, because 533234121421 - 2¹⁷ = 533233990349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533234121491) 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, 5404855 + ... + 5502628.

It is an arithmetic number, because the mean of its divisors is an integer number (36649146240).

Almost surely, 2^533234121421 is an apocalyptic number.

It is an amenable number.

533234121421 is a deficient number, since it is larger than the sum of its proper divisors (53152218419).

533234121421 is a wasteful number, since it uses less digits than its factorization.

533234121421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10907616.

The product of its digits is 17280, while the sum is 31.

Adding to 533234121421 its reverse (124121432335), we get a palindrome (657355553756).

The spelling of 533234121421 in words is "five hundred thirty-three billion, two hundred thirty-four million, one hundred twenty-one thousand, four hundred twenty-one".