534239660889 has 189 divisors, whose sum is σ = 929056331749. Its totient is φ = 306809719920.

The previous prime is 534239660863. The next prime is 534239660909. The reversal of 534239660889 is 988066932435.

The square root of 534239660889 is 730917.

It is a perfect power (a square), and thus also a powerful number.

534239660889 is a `hidden beast` number, since 534 + 2 + 3 + 96 + 6 + 0 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 534239660889 - 2⁷ = 534239660761 is a prime.

It is a super-3 number, since 3×534239660889³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534239660189) by changing a digit.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 4992893974 + ... + 4992894080.

Almost surely, 2^534239660889 is an apocalyptic number.

534239660889 is the 730917-th square number.

534239660889 is the 365459-th centered octagonal number.

It is an amenable number.

534239660889 is a deficient number, since it is larger than the sum of its proper divisors (394816670860).

534239660889 is an equidigital number, since it uses as much as digits as its factorization.

534239660889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 534239660889 in words is "five hundred thirty-four billion, two hundred thirty-nine million, six hundred sixty thousand, eight hundred eighty-nine".