536421660043 has 4 divisors (see below), whose sum is σ = 549505115208. Its totient is φ = 523338204880.

The previous prime is 536421660017. The next prime is 536421660059. The reversal of 536421660043 is 340066124635.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 536421660043 - 2²⁵ = 536388105611 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 536421659978 and 536421660005.

It is not an unprimeable number, because it can be changed into a prime (536421660013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6541727521 + ... + 6541727602.

It is an arithmetic number, because the mean of its divisors is an integer number (137376278802).

Almost surely, 2^536421660043 is an apocalyptic number.

536421660043 is a deficient number, since it is larger than the sum of its proper divisors (13083455165).

536421660043 is a wasteful number, since it uses less digits than its factorization.

536421660043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083455164.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 536421660043 its reverse (340066124635), we get a palindrome (876487784678).

The spelling of 536421660043 in words is "five hundred thirty-six billion, four hundred twenty-one million, six hundred sixty thousand, forty-three".