534643263 has 72 divisors (see below), whose sum is σ = 985944960. Its totient is φ = 276060960.

The previous prime is 534643259. The next prime is 534643271. The reversal of 534643263 is 362346435.

534643263 is a `hidden beast` number, since 5 + 3 + 4 + 643 + 2 + 6 + 3 = 666.

It is not a de Polignac number, because 534643263 - 2² = 534643259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534643243) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1489078 + ... + 1489436.

It is an arithmetic number, because the mean of its divisors is an integer number (13693680).

Almost surely, 2^534643263 is an apocalyptic number.

534643263 is a deficient number, since it is larger than the sum of its proper divisors (451301697).

534643263 is a wasteful number, since it uses less digits than its factorization.

534643263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 687 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 534643263 is about 23122.3541837764. The cubic root of 534643263 is about 811.6236613162.

Adding to 534643263 its reverse (362346435), we get a palindrome (896989698).

The spelling of 534643263 in words is "five hundred thirty-four million, six hundred forty-three thousand, two hundred sixty-three".