3636223261 has 8 divisors (see below), whose sum is σ = 4103575200. Its totient is φ = 3191669040.

The previous prime is 3636223243. The next prime is 3636223273. The reversal of 3636223261 is 1623226363.

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 3636223261 - 2⁵ = 3636223229 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 (3636223231) 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, 5699091 + ... + 5699728.

It is an arithmetic number, because the mean of its divisors is an integer number (512946900).

Almost surely, 2^3636223261 is an apocalyptic number.

It is an amenable number.

3636223261 is a deficient number, since it is larger than the sum of its proper divisors (467351939).

3636223261 is a wasteful number, since it uses less digits than its factorization.

3636223261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398859.

The product of its digits is 46656, while the sum is 34.

The square root of 3636223261 is about 60301.1049732922. The cubic root of 3636223261 is about 1537.7421318795.

The spelling of 3636223261 in words is "three billion, six hundred thirty-six million, two hundred twenty-three thousand, two hundred sixty-one".