536646643 has 8 divisors (see below), whose sum is σ = 578672528. Its totient is φ = 494727264.

The previous prime is 536646641. The next prime is 536646647. The reversal of 536646643 is 346646635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 536646643 - 2¹ = 536646641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 536646643.

It is not an unprimeable number, because it can be changed into a prime (536646641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15996 + ... + 36457.

It is an arithmetic number, because the mean of its divisors is an integer number (72334066).

Almost surely, 2^536646643 is an apocalyptic number.

536646643 is a deficient number, since it is larger than the sum of its proper divisors (42025885).

536646643 is a wasteful number, since it uses less digits than its factorization.

536646643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53253.

The product of its digits is 933120, while the sum is 43.

The square root of 536646643 is about 23165.6349578422. The cubic root of 536646643 is about 812.6361519528.

It can be divided in two parts, 536646 and 643, that added together give a square (537289 = 733²).

The spelling of 536646643 in words is "five hundred thirty-six million, six hundred forty-six thousand, six hundred forty-three".