536636363221 has 8 divisors (see below), whose sum is σ = 613340005824. Its totient is φ = 459943046880.

The previous prime is 536636363213. The next prime is 536636363243. The reversal of 536636363221 is 122363636635.

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 536636363221 - 2³ = 536636363213 is a prime.

It is a super-2 number, since 2×536636363221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536636369221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469880 + ... + 2678353.

It is an arithmetic number, because the mean of its divisors is an integer number (76667500728).

Almost surely, 2^536636363221 is an apocalyptic number.

It is an amenable number.

536636363221 is a deficient number, since it is larger than the sum of its proper divisors (76703642603).

536636363221 is a wasteful number, since it uses less digits than its factorization.

536636363221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163131.

The product of its digits is 2099520, while the sum is 46.

Adding to 536636363221 its reverse (122363636635), we get a palindrome (658999999856).

The spelling of 536636363221 in words is "five hundred thirty-six billion, six hundred thirty-six million, three hundred sixty-three thousand, two hundred twenty-one".