534395689 has 3 divisors (see below), whose sum is σ = 534418807. Its totient is φ = 534372572.

The previous prime is 534395677. The next prime is 534395707. The reversal of 534395689 is 986593435.

The square root of 534395689 is 23117.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 986593435 = 5 ⋅197318687.

It can be written as a sum of positive squares in only one way, i.e., 416025 + 533979664 = 645^2 + 23108^2 .

It is not a de Polignac number, because 534395689 - 2²⁷ = 400177961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534395089) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11559 + ... + 34675.

Almost surely, 2^534395689 is an apocalyptic number.

534395689 is the 23117-th square number.

534395689 is the 11559-th centered octagonal number.

It is an amenable number.

534395689 is a deficient number, since it is larger than the sum of its proper divisors (23118).

534395689 is an frugal number, since it uses more digits than its factorization.

534395689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46234 (or 23117 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 52.

The cubic root of 534395689 is about 811.4983640986.

The spelling of 534395689 in words is "five hundred thirty-four million, three hundred ninety-five thousand, six hundred eighty-nine".