533505425309 has 16 divisors (see below), whose sum is σ = 601300195200. Its totient is φ = 470350324224.

The previous prime is 533505425303. The next prime is 533505425443. The reversal of 533505425309 is 903524505335.

It is a cyclic number.

It is not a de Polignac number, because 533505425309 - 2⁴ = 533505425293 is a prime.

It is a super-3 number, since 3×533505425309³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 533505425309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533505425303) 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, 9250577 + ... + 9308070.

It is an arithmetic number, because the mean of its divisors is an integer number (37581262200).

Almost surely, 2^533505425309 is an apocalyptic number.

It is an amenable number.

533505425309 is a deficient number, since it is larger than the sum of its proper divisors (67794769891).

533505425309 is a wasteful number, since it uses less digits than its factorization.

533505425309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18558772.

The product of its (nonzero) digits is 1215000, while the sum is 44.

The spelling of 533505425309 in words is "five hundred thirty-three billion, five hundred five million, four hundred twenty-five thousand, three hundred nine".