536643471 has 32 divisors (see below), whose sum is σ = 932456448. Its totient is φ = 266411520.

The previous prime is 536643469. The next prime is 536643491. The reversal of 536643471 is 174346635.

It is not a de Polignac number, because 536643471 - 2¹ = 536643469 is a prime.

It is a super-3 number, since 3×536643471³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536643431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53175 + ... + 62456.

It is an arithmetic number, because the mean of its divisors is an integer number (29139264).

Almost surely, 2^536643471 is an apocalyptic number.

536643471 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

536643471 is a deficient number, since it is larger than the sum of its proper divisors (395812977).

536643471 is a wasteful number, since it uses less digits than its factorization.

536643471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115671.

The product of its digits is 181440, while the sum is 39.

The square root of 536643471 is about 23165.5664942604. The cubic root of 536643471 is about 812.6345508452.

The spelling of 536643471 in words is "five hundred thirty-six million, six hundred forty-three thousand, four hundred seventy-one".