533251020021 has 8 divisors (see below), whose sum is σ = 748422484320. Its totient is φ = 336790117872.

The previous prime is 533251020019. The next prime is 533251020073. The reversal of 533251020021 is 120020152335.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 533251020021 - 2¹ = 533251020019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 533251019973 and 533251020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533251020091) 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, 4677640470 + ... + 4677640583.

It is an arithmetic number, because the mean of its divisors is an integer number (93552810540).

Almost surely, 2^533251020021 is an apocalyptic number.

It is an amenable number.

533251020021 is a deficient number, since it is larger than the sum of its proper divisors (215171464299).

533251020021 is a wasteful number, since it uses less digits than its factorization.

533251020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355281075.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 533251020021 its reverse (120020152335), we get a palindrome (653271172356).

The spelling of 533251020021 in words is "five hundred thirty-three billion, two hundred fifty-one million, twenty thousand, twenty-one".