536645310221 has 8 divisors (see below), whose sum is σ = 544245459264. Its totient is φ = 529046321440.

The previous prime is 536645310191. The next prime is 536645310241. The reversal of 536645310221 is 122013546635.

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

It is not a de Polignac number, because 536645310221 - 2¹⁰ = 536645309197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536645310241) 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, 663566 + ... + 1230288.

It is an arithmetic number, because the mean of its divisors is an integer number (68030682408).

Almost surely, 2^536645310221 is an apocalyptic number.

It is an amenable number.

536645310221 is a deficient number, since it is larger than the sum of its proper divisors (7600149043).

536645310221 is a wasteful number, since it uses less digits than its factorization.

536645310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580131.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 536645310221 its reverse (122013546635), we get a palindrome (658658856856).

The spelling of 536645310221 in words is "five hundred thirty-six billion, six hundred forty-five million, three hundred ten thousand, two hundred twenty-one".