533642069 has 4 divisors (see below), whose sum is σ = 541606944. Its totient is φ = 525677196.

The previous prime is 533642059. The next prime is 533642093. The reversal of 533642069 is 960246335.

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 a de Polignac number, because none of the positive numbers 2^k-533642069 is a prime.

It is a super-2 number, since 2×533642069² = 569547715613201522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533642059) 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, 3982337 + ... + 3982470.

It is an arithmetic number, because the mean of its divisors is an integer number (135401736).

Almost surely, 2^533642069 is an apocalyptic number.

It is an amenable number.

533642069 is a deficient number, since it is larger than the sum of its proper divisors (7964875).

533642069 is an equidigital number, since it uses as much as digits as its factorization.

533642069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964874.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 533642069 is about 23100.6941237704. The cubic root of 533642069 is about 811.1167186153.

The spelling of 533642069 in words is "five hundred thirty-three million, six hundred forty-two thousand, sixty-nine".