3636163421 has 12 divisors (see below), whose sum is σ = 4043014080. Its totient is φ = 3243205680.

The previous prime is 3636163387. The next prime is 3636163423. The reversal of 3636163421 is 1243616363.

It is a de Polignac number, because none of the positive numbers 2^k-3636163421 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 (3636163423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27941 + ... + 89738.

It is an arithmetic number, because the mean of its divisors is an integer number (336917840).

Almost surely, 2^3636163421 is an apocalyptic number.

It is an amenable number.

3636163421 is a deficient number, since it is larger than the sum of its proper divisors (406850659).

3636163421 is a wasteful number, since it uses less digits than its factorization.

3636163421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117796 (or 117743 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 3636163421 is about 60300.6087946051. The cubic root of 3636163421 is about 1537.7336964794.

Adding to 3636163421 its reverse (1243616363), we get a palindrome (4879779784).

The spelling of 3636163421 in words is "three billion, six hundred thirty-six million, one hundred sixty-three thousand, four hundred twenty-one".